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by Berkeley Law
Climate change is upon us. Fires, droughts, hurricanes, sea level rise, and melting ice caps are all part of our new normal. But something else is happening as well. Scientists, innovators, organizations, cities, companies, and citizens are taking action, making progress, and finding solutions. Climate Break brings you stories of climate progress and interviews with climate innovators from California and around the world, in under 2 minutes. Our solution-oriented, radio-ready shows are produced by students and climate law and policy experts at the University of California, Berkeley. Climate Break is a co-production of the Center for Law, Energy, and Environment at UC Berkeley Law and KALW 91.7 FM San Francisco Bay Area, in conjunction with the Berkeley School of Journalism.
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- 1 weeks ago1 min
Electrifying Freight, with Lukas Lukoschek
Electrifying Freight CorridorsFreight corridors are designated pathways used for the transportation of commercial goods. Billions of tons of cargo are transported around the world via freight corridors each year and this number is continuing to climb with the increasing popularity of e-commerce and home delivery services. Currently, freight transportation makes up 8 percent of global greenhouse gas emissions and this number is expected to double by 2050. Switching from powering freight transportation with diesel to electricity can help cut down on these emissions.More About Freight TrucksCompared to other freight transportation methods, like ships and trains, trucks create the most emissions. They can emit more than 100 times more carbon dioxide than ships that carry the same amount of goods and travel the same distance. Due to this, trucks are the cause of 65 percent of freight emissions, despite carrying less than a fourth of the world’s cargo.Other than carbon dioxide, diesel trucks also emit black carbon, which is the black plume of smoke that comes from a truck’s tailpipe. Black carbon is another kind of climate pollutant and is linked to the fast melting of ice-covered areas, like glaciers, as well as health problems in humans. These health issues disproportionately impact low income communities and communities of color due to their proximity to major highways, freight depots, and ports. The Benefits of Electric TrucksIn 2019, approximately 91 percent of America’s transportation was dependent on oil and transportation was responsible for 70 percent of all U.S. petroleum consumption. Oil prices tend to be more susceptible to fluctuations than electricity, which has historically had lower and more stable prices. Electric trucks also have zero tailpipe emissions, like carbon dioxide and black carbon. This can play an important role in helping the environment and improving air quality, especially around major cities, highways, and ports. Despite common misconception, electric trucks are now able to meet the demands of freight operations as stated by the North American Council for Freight Efficiency. A battery electric truck can drive 465 miles on a single charge and can cover 3,676 miles in 18 days while spending only 13 percent of its time charging. Many companies, like Volvo, Daimler, and Scania, are continuing to work on improving electric trucks for long-haul transportation and private investors, like Kabisa, have been installing more charging infrastructure for freight fleets. Since 2022, large operators like Amazon, UPS, and FedEx have begun successfully rolling out thousands of electric delivery vans and freight movement trucks and in 2025 sales of electric heavy freight trucks almost tripled.This real-world performance data establishes that electric trucks are suitable for freight use. Electric trucks also have lower operational costs than diesel trucks, with heavy-duty electric vehicles reducing operating costs by 25 percent when compared to diesel and medium-duty electric vehicles reducing operating costs by 50 percent. The ChallengesDespite the benefits, the adoption of electric trucks remains slow, with electric trucks only encompassing 1.1 percent of new heavy-duty trucks sold in Europe as of 2024. According to the Hewlett Foundation, high upfront costs for new electric vehicles and charging infrastructure are the biggest barriers to electrification. The initial investment in electric trucks can be two to three times that of traditional diesel trucks. This high cost is largely due to expensive batteries. Luckily, the prices of batteries are dropping and have decreased by approximatel
- 2 weeks ago1 min
Preserving Public Access to Climate Information, with Rebecca Lindsey
Background and ContextFor roughly 15 years, Climate.gov was the federal government’s public face for climate science. Launched by the National Oceanic and Atmospheric Administration (NOAA) in 2010, the site translated NOAA’s climate research into expert blogs, data visualizations, and curriculum resources for educators. But in 2025, the Department of Government Efficiency (DOGE) cut hundreds of jobs across NOAA, including most of the ten-person Climate.gov team. With no one left to maintain it, the site stopped publishing new content. And by June 24, 2025, Climate.gov’s URL redirected to a stripped-down NOAA webpage. Rebecca Lindsey, Climate.gov’s former program manager and editorial lead, was one of those laid off. Rather than let over a decade of public climate education disappear with the site, she and two former colleagues spent months rebuilding it. The result, launched in June 2026, is Climate.us– an independent nonprofit now led by Lindsey as project director. The new site carries over much of Climate.gov’s content, including data visualizations, teacher resources, and a collection of Q&As that debunk common climate misinformation. “We try to help people see that [climate change] matters to everybody,” says Lindsey. The SolutionThe idea that climate science should be accessible to everyday people, not just scientists and policymakers, traces back to the Global Change Research Act of 1990. The Act directed federal agencies to coordinate climate research and make it available for public use. Climate.gov, and now Climate.us, were built with the same mission in mind. Lindsey argues that “learning about climate and being comfortable talking about it is an important action” for the public to take. She points to a pattern called the “spiral of silence”-- most Americans believe in human-caused climate change and want to act on it, but each assumes, wrongly, that this view is unpopular and therefore stays quiet. Breaking that silence is the first step in shifting the broader public conversation on climate. “No one has to become an expert,” Lindsey says, “but people need some basic facts.” And operating as an independent nonprofit, rather than as part of a government agency, allows Climate.us to limit political interference. As Lindsey asserts, the new independent nonprofit model allows her and her colleagues to “tell stories and share information without anyone… telling us what we need to say to be consistent with someone else’s policy, view, or position.”ChallengesRebuilding the site hasn’t been easy. Climate.gov once had a staff of ten, and now Climate.us runs on three people full-time. Lindsey says rebuilding the website itself has proved a challenge, as none of the three are web developers. Instead, they’ve had to rely on the expertise of outside contractors. The original site also had teams dedicated to interacting with specific audiences, including the general public, educators, and local and tribal decision-makers. Now, those roles fall to the same three people, meaning less capacity to engage with each group.Fortunately Climate.us crowdsourced enough funds– roughly $280,000– to get the project off the ground. But Lindsey says existing funding will likely run dry in early 2027. Still, she sees the project as worth fighting for: “I’m not going to let this investment that the government made for 15 years… go without a fight”How to Get InvolvedClimate.us relies on a volu
- 3 weeks ago1 min
Buying heat pumps with neighbors, with Shreyas Sudhakar
Heat PumpsTraditional heating and cooling systems are the largest sources of emissions in a home. Heat pumps have lower carbon emissions than any other home heating system and can even be carbon neutral when run by renewable energy sources, like solar panels. They are also safer, more efficient, and cheaper in the long run. What keeps many homeowners from installing them, despite the benefits, is the high upfront costs. Heat pump group-buy programs can help with that.How It Works – Heat Pumps and Group-BuysHeat pumps work in a similar way to refrigerators and air conditioners. They extract heat from the air, ground, water, or from waste heat generated by factories or data centers and amplify it. Then, this heat is moved into the home with the help of a liquid called a refrigerant. The refrigerant changes from liquid to gas and back again, transferring heat throughout the process. When the refrigerant changes from liquid to gas, it absorbs heat, and when changed back to liquid it releases the heat. Then, the heat is delivered throughout the home through forced air or via a hydronic system (using water, steam, or glycol solution as a medium for heat transfer). This way of transferring heat allows heat pumps to be more efficient than other heating technologies, like boilers or electric heaters. The energy output of a heat pump is typically 4 times greater than the electrical energy used to run it. This can be up to 5 times more energy efficient than gas boilers.Installing a heat pump has a high upfront cost but group-buy programs can help make it more budget-friendly. To participate, homeowners fill out an interest form through a coordinator like Heat Pumped. Interested households are then grouped together by region and offered a deal that can save each household $3000 to $6000 dollars. This deal works similar to Costco, where installers can negotiate discounts from manufacturers on equipment due to buying and installing in bulk.The Advantages and DisadvantagesSince heat pumps are more energy efficient than conventional heating systems, heat pumps can reduce homeowner’s energy bills and stay unaffected by price increases from extreme weather or high energy demand. On average, homeowners in the US can save $370 per year by switching to a heat pump, or up to $1000 per year when switching from an especially inefficient heat system, like those run on oil or propane.Heat pumps don’t only heat, they can also cool, and they can replace not only heaters but also traditional air conditioners. They also have more temperature control and allow each room in the home to be heated or cooled individually. Heat pumps don’t require the combustion of fossil fuels or carbon monoxide emissions, like other heating sources, making them safer. Furthermore, despite the common myth, heat pumps are effective even at very cold temperatures, working well at temperatures as low as -20° Fahrenheit.Installing heat pumps is a difficult project and requires more planning and preparation than traditional boiler installations. Detailed calculations and a thorough analysis of the property need to be conducted to understand the property’s insulation abilities, as well as its heating and cooling requirements. Space can also be a challenge. Smaller properties or apartments might not be able to fit heat pump systems. Additionally, ground and water-source heat pumps require large outdoor areas or nearby water sources like ponds, rivers, or lakes. There are also a variety of refrigerants that can be used and some of them can be harmful to the environment. Luckily, biodegradable fluid options are available.Although group-buy programs are an excellent way to save money, they sometimes require a household to have to wait until a group is formed and a discount can be applied before installing the heat pump. So, group-buy programs are not ideal for homeowners who need their heating systems upgraded quickly.Shreyas Sudhakar’s TakeShreyas Sudhakar believes that heat pumps have the potential to greatly decrease our carbon foot-prints. Sudhakar also believes that group-buy programs are important for encouraging households to make t
- Sep 29, 20261 min
Developing perovskite solar cells, with Dr. Marina Leite
Perovskite Solar CellsConventional solar panels are usually heavy and expensive to install. Perovskites are a class of materials that have the potential to create lighter weight and cheaper solar cells that still convert the sun to electricity at a high efficiency. Perovskite solar cells could potentially make solar energy more affordable, accessible, and environmentally friendly.What Are Perovskite Solar Cells?Perovskites are a group of materials in which hydrogens and carbons bind to a metal, such as lead, and a halogen, such as chlorine, and form a three dimensional crystal lattice. Thousands of different chemical compositions are possible, which allows perovskite solar cells to absorb many different colors of the solar spectrum, depending on which composition is used. This ability makes it possible for the perovskite solar cells to be used in tandem with or on top of other kinds of solar cells, such as traditional silicon solar cells, because each type of cell absorbs different parts of the solar spectrum. Together with the silicon cells, the total power conversion efficiency, or the efficiency of converting solar energy into electricity, increases to over 33 percent. To make a perovskite solar cell, a thin layer of perovskite ink solution is deposited onto a base and then heated to set it into a film. The thin perovskite layer absorbs light, exciting a type of charged particle called electrons. These electrons are then extracted to generate electricity. Additional layers of material help direct the flow of electrons and laser scribed channels separate the film into individual cells. Separating the film into individual cells helps lower the current and raise the voltage, making a higher voltage solar device.The BenefitsWhen compared to traditional silicon solar panels, perovskites solar cells are cheaper and create fewer emissions. Silicon is rarely found in its pure form, which is the form it is needed in for conventional solar panels. Silicon is mostly found in beach sand as silicon dioxide. To get rid of the excess oxygen, the silicon dioxide is heated in a furnace to a very high temperature of about 1500 to 2000 degrees celsius. The energy required to run these furnaces not only increases the production cost of the silicon solar panels, but also creates additional greenhouse gas emissions. By comparison, perovskite solutions are made and set at lower temperatures, therefore resulting in fewer emissions and potentially costing less to produce. Conventional solar panels are rigid, flat, and heavy, so they are mostly installed on top of roofs or as solar farms. Perovskite solution can be deposited on bases of many different shapes, and it weighs very little. This gives perovskite solar cells more flexibility in the ways they can be used. Perovskite also appears to be more resilient to imperfections in its crystal lattice structure than other materials typically used in solar panels, which improves its performance. These features of the perovskite solar cells, as well as their high power conversion efficiency, that matches that of traditional solar panels at over 26 percent, gives perovskites solar cells the potential to improve accessibility of solar panels.The ChallengesAccording to the Integrated Energy Systems Office of the US Department of Energy, there are four primary challenges to the commercialization of perovskite technology: durability, power conversion efficiency at scale, manufacturing, and technology validation and bankability. The durability of perovskite cells is limited when compared to other solar cells. Perovskites can decompose when exposed to stressors like moisture, oxygen, light for extended periods of time, heat, and applied voltage. Early perovskite devices degraded within a matter of minutes or hours, but now they can last for several months. Still, devices that cannot operate for more than 20 years, or ideally 30, are not likely to be commercially successful.Perovskites have shown high power conversion efficiency as small devices, but maintaining these high efficiencies in larger devices still needs to be achieved. Methods used in labs for producing perovskite devices are not ea
- Sep 22, 20261 min
Growing meat from cells, with Dr. Natalie Rubio
Cellular Agriculture Livestock farming is a major driver of global greenhouse gas emissions, deforestation, and water consumption, yet global demand for meat continues to rise. Cellular agriculture offers an alternative by cultivating meat from animal cells in a bioreactor. This could significantly reduce the climate and environmental impacts of meat production while delivering the same quality of meat consumers love. Cells to Meat - How and WhyCurrent food production systems, particularly for meat, can be among the most harmful human activities for the environment. They often require vast amounts of fresh water and land, are a major source of water pollution, and contribute to about one third of the world’s greenhouse gas emissions. Yet, the demand for meat continues to rise, with the Food and Agriculture Organization of the United Nations projecting the demand to reach 445 M metric tons by 2050, which is a 76 percent increase from 2005. Cultured, or cell-based, meat has the potential to remedy these issues. Meat cultured in a bioreactor can avoid harming animal welfare, producing methane, or spreading food-borne diseases, and promotes a more humane, sustainable, and safe way to consume meat without substantial change to consumption habits. Cultured meat is created by taking cells from an animal and growing them in bioreactors. Through controlling temperature, exposure to nutrients, and other aspects, the cells can be tricked into believing that they are still inside of an animal. Under these carefully monitored conditions, the cells divide and proliferate, or grow exponentially, and mature into muscle and fat tissue through a process called differentiation. The Potential and the ChallengesAdvocates for cultured beef project that it will use less land and water, and produce less greenhouse gas emission compared to farmed beef. Cultured meat additionally has the potential to benefit public health by reducing the spread of food-borne illness, infectious disease, and antimicrobial resistance. Farmed meat can carry countless pathogens, including zoonotic diseases, or diseases that can be passed from animal to human, such as influenza A. During the pandemic, meat-packing plants experienced multitudes of
- Sep 15, 20261 min
Building large-scale solar infrastructure, with Patrick Mealoy
What is the Valley Clean Infrastructure Plan?Golden State Clean Energy aims to turn a large swath of struggling farmland in western Fresno County into a large solar panel installation. The Valley Clean Infrastructure Plan (VCIP) would repurpose up to 136,000 acres of salty, waterlogged agricultural land into more than 20,000 megawatts of solar energy, capable of producing enough electricity to meet up to 15% of California’s needs. The project would also help push California toward its Senate Bill 100 mandate, which requires the state to reach 100% clean electricity by 2045. A single project the size of VCIP could make a meaningful dent in that goal. BenefitsChief Operating Officer of Golden State Clean Energy Patrick Mealoy says VCIP alone could cover 10-15% of California's electricity needs– enough to power roughly nine million homes. The project would also cut electricity-related carbon dioxide emissions by 15%. The project’s new transmission line would carry clean power throughout Northern California, reducing the region’s reliance on natural gas, and would ease one of the grid’s worst congestion points between Northern and Southern California. Because the existing farmland is degraded by salt buildup and drainage problems, VCIP frames itself as putting failing land to better use, including optimizing scarce water supplies and cutting dust pollution. The project will also create roughly 6,000 construction jobs and 1,2000 permanent operations jobs. And for family farms sitting on the impaired ground, VCIP offers long-term lease income while keeping the land in the family’s name. Drawbacks and CritiquesThe scale of VCIP makes it a hard sell. Projects this size can spend years in development waiting for energy grid interconnection studies and environmental permitting. Fallow fields can serve as habitat for species that have adapted to the Central Valley, so large solar buildouts still face scrutiny over their ecological impact. And converting farmland to energy infrastructure at this scale raises questions about who holds the water rights tied to that land once it’s no longer farmed, and what happens to the site itself decades from now when the panels are eventually decommissioned. Patrick Mealoy’s Take Mealoy sees VCIP as making the best of land that has few other viable uses. This ground is already failing as productive farmland, in a district that’s already fighting drainage and salinity problems. In his view, the choice is between using this land to generate clean power or leaving it fallow, generating no return for the farmers who own it. About our GuestPatrick Mealoy is the Chief Operating Officer of Golden State Clean Energy, the developer behind the Valley Clean Infrastructure Plan. ResourcesGolden State Clean Energy, The Valley Clean Infrastructure PlanCanary Media, A Huge Solar Project Grows in CaliforniaA transcript of this episode can be found at https://climatebreak.org/building-large-scale-solar-infrastructure-with-patrick-mealoy/
- Sep 8, 20261 min
Building disability-inclusive disaster strategies, with Germán Parodi
Disabilities During Disasters Extreme weather events are increasingly frequent and severe, yet emergency response systems often fail to protect disabled people. The Partnership for Inclusive Disaster Strategies (PIDS) is a non-profit working to reform emergency management in the United States by centering disability rights, equity, and accessibility before, during, and after climate-induced disasters. The Work of The PartnershipDisability inclusion in disasters is multi-faceted; PIDS, or The Partnership, envisions, “disability inclusive engagement throughout disaster preparedness, mitigation, response and recovery to build back better, optimize community resilience, and improve disaster outcomes for all.” The effort to increase inclusivity is critical to improving lifesaving efforts, with 16% of the world’s population and 27% of the US’s population living with a disability. People with disabilities are significantly more likely - up to four times - to be killed or injured during natural disasters. That’s largely because emergency preparedness and response have not been developed to include the disabled community. One link that has become clearer in recent years is the overlap in the needs of those who have disabilities and those who are aging - both in everyday independent living and in the wake of disasters. Recognizing this, PIDS participates in the Disability and Aging Network, a group of organizations supporting disabled and aging individuals after disasters. PIDS especially supports disability-led organizations in their efforts to meet the needs of their communities. Before, during, and after a disaster, PIDS can coordinate with emergency response efforts by organizations like FEMA and the Red Cross to advocate for the needs of disabled and aging individuals and to fill other gaps in the traditional humanitarian response. PIDS provides direct services to members of the disabled community and their family and friends during disasters - for instance, they operate a Disability & Disaster hotline, which anyone can call to get help. The hotline provides information and resources, and assistance finding accommodations like temporary housing and transportation. Broader ApplicationsPIDS not only does crucial work in times of disaster - they also work behind the scenes to influence advocacy, policy, and systems change. The work PIDS is doing for the disabled community may have applications for others. For instance, the UN reports that, when climate-driven extreme weather events occur, women and children are 14 times more likely to die than men. The strength and frequency of extreme weather is a global issue - though all people are susceptible to the effects of climate change, a community may be more vulnerable due to factors like its geographic situation, economic strength, and demographic makeup. Improving advance planning and emergency response policy, like PIDS advocates for, is important to other vulnerable communities that have been historically underserved during disasters. Germán’s TakeGermán underscores the population-wide benefits of disability-inclusive strategies. One advantage of a resource like the Disability & Disaster hotline is that it lightens the load on first responders who already have a lot going on. Also, adaptations made to include people with disabilities often have unintended benefits for everyone else. Germán points to curb cuts, which are the ramps between the sidewalk and the street. Though they were initially designed to accommodate wheelchairs and other mobility aids, they also benefit strollers, carts, and children on bicycles and scooters, making the transition from the sidewalk to the street smoother for all. One way that the disabled community is disproportionately affected by heat waves, storms, and other
- Sep 1, 20261 min
Grazing Livestock on Solar Farms, with Stacie Peterson
What is Solar Grazing? The deployment of utility scale solar has often required clearing vegetation and then using fossil-fuel-powered mowers or toxic herbicides to prevent overgrowth. To reduce these harms, solar grazing is a dual land use approach where livestock is taken to solar farms to manage the vegetation that can grow and interfere with the panels. Solar grazing reduces maintenance emissions, provides a revenue stream for local ranchers, and promotes soil health. Why it Works: Sheep Solar grazing is a type of targeted grazing, which is, “the controlled application of specific livestock at a designated season, duration, and intensity to achieve specific landscape and vegetation management goals”. Those goals often include weed control, fire risk reduction, and wildlife habitat enhancement. Solar grazing specifically refers to livestock grazing on solar farms, or, under and around solar arrays. According to the American Solar Grazing Association (ASGA), other terms associated with solar grazing include agrivoltaics (the co-location of agriculture and solar), agrisolar, agri-pv, or rangevoltaics. One grazier compares solar grazing to silvopasture - or, grazing under trees - “Just with metal trees”. Sheep have been found to be an excellent match for the needs of solar grazing. Sheep are nimble and can work around solar installments, eliminating work that, without re-designing or raising solar panels, can be difficult for humans. The benefits of solar grazing extend beyond vegetation management: sheep have been measured to have lower body temperatures, both in their wool and skin, when they’re shaded by solar panels. Additionally, forage quality and moisture content are higher in the shade where water in the soil evaporates more slowly. Sheep have been shown to drink less water during solar grazing, which reduces water needs for graziers. Solar grazing also eliminates competition for land use between solar developers and graziers. What’s Left to Learn Solar grazing has been expanding across the country for the last decade; however, long-term studies on the effects of grazing on biotic and abiotic factors - as well as changes in cost over time - have not been widely conducted. One of the highest costs in solar grazing is transportation and logistics, so in places like the US’s Northeast where most solar farms are around 11 acres, moving sheep makes grazing less affordable. In regions with large or interconnected farms, that cost is reduced; Stacie reports that many sheep are born and live out their lives on one farm. Solar grazing is often viewed as just “mowing with sheep” - not as an active agricultural practice. The American Farmland Trust emphasizes that, on the contrary, “It’s a way to grow food, build soil, create habitat, and generate renewable energy at once.” Stacie’s Points Stacie emphasizes that grazing - even in areas where animals have to be rotated between sites - contributes less fossil fuel emissions than mowers that run on diesel. Mowers and weed-whackers have other side effects: blades have a tendency to “throw” rocks, or pick up and eject rocks, which can damage panels and add costs to operation. Also, using any machine powered by combustion increases fire risk. There’s a demographic shift supported by solar grazing. Often, the greatest financial hurdle to a grazing operation is buying or leasing pasture; for young people who won’t inherit pastureland, solar grazing lowers the barrier to entering the in
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About Climate Break
Climate change is upon us. Fires, droughts, hurricanes, sea level rise, and melting ice caps are all part of our new normal. But something else is happening as well. Scientists, innovators, organizations, cities, companies, and citizens are taking action, making progress, and finding solutions. Climate Break brings you stories of climate progress and interviews with climate innovators from California and around the world, in under 2 minutes. Our solution-oriented, radio-ready shows are produced by students and climate law and policy experts at the University of California, Berkeley. Climate Break is a co-production of the Center for Law, Energy, and Environment at UC Berkeley Law and KALW 91.7 FM San Francisco Bay Area, in conjunction with the Berkeley School of Journalism.
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