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Justine Calma

Justine Calma

Senior Science Reporter

Justine Calma is a senior science reporter at The Verge, where she covers clean energy and the environment. She’s also the host of Hell or High Water: When Disaster Hits Home, a podcast from Vox Media and Audible Originals. Since reporting on the adoption of the Paris agreement in 2015, Justine has covered climate change on the ground in four continents. "Power Shift," her story about one neighborhood’s fight for clean energy in New Orleans was published in the 2022 HarperCollins anthology, The Best American Science and Nature Writing. She previously covered environmental justice at Grist and taught a nonfiction climate writing class for the MFA program at The City College of New York. She is an alumna of Columbia Journalism School's Toni Stabile investigative program and the Ida B. Wells fellowship at The Nation Institute's Investigative Fund.

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It’s not looking good for the EPA’s ‘Good Neighbor Plan.’

The largely conservative Supreme Court heard arguments yesterday for Ohio v. EPA, and it sounds like SCOTUS is sympathetic to plaintiffs fighting the agency’s Good Neighbor Plan. The plan would force states, including Ohio, to prevent smog-forming pollution from drifting downwind to other states. More than a dozen states are fighting the plan in lower courts, and Ohio wants SCOTUS to force the EPA to pause the plan entirely while those legal battles are ongoing. Whether SCOTUS sides with Ohio now likely points to how it would rule later if any of those cases in lower courts ultimately make their way to SCOTUS.


Is the US on track to meet its climate goals?

Not yet, but there have been some gains since Joe Biden signed the Bipartisan Infrastructure Act and Inflation Reduction Act into law — two huge investments in clean energy and transportation. EV sales and clean energy additions to the power grid hit record highs last year, according to an analysis by researchers from Princeton, MIT, and Rhodium Group. But progress is expected to slow down unless the US can get rid of red tape that’s getting in the way.


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Do states need to be better neighbors to each other? SCOTUS will decide.

The Supreme Court of the US will hear arguments today over an Environmental Protection Agency plan that would force states to curb smog-forming pollution before it can drift over to their neighbors. Ohio and other plaintiffs want SCOTUS to stay the EPA’s ‘Good Neighbor Plan’ while their case challenging the agency’s legal authority to impose the plan works through lower courts. You can listen in on oral arguments in Ohio v. EPA at 10 AM EST.


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Green roofs save energy.

Rooftop gardens are really cool — literally, they help keep indoor temperatures down because evaporation from plants has a cooling effect. Asphalt rooftops in comparison, absorb and trap heat. New research in Seoul now shows that green roofs actually reduced the energy intensity of buildings by close to 8 percent. That boost in energy efficiency means green roofs are helping to keep the planet cool, too.


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