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"In February, ExxonMobil gave up its decade-long attempt to cultivate algae as a profitable and scalable feedstock for biofuel — a liquid alternative energy source needed to power aviation, ocean-going ships, and long-distance trucking, while also combating climate change."

"The Tucson City Council is moving forward with the effort to return the ancestral homelands near the base Sentinel Peak to the Tohono O’odham Nation for its continued preservation and reverence."

"The Biden administration plans to require new homes to be constructed to the nation’s greenest, most energy-efficient building codes to qualify for the federal loans that finance more than one-sixth of new houses sold in the United States."

"Disinfectants have had a moment since the COVID-19 pandemic began — and scientists are warning that this widespread use is spurring health problems, antimicrobial resistance and harming the environment."

"The Biden administration on Thursday announced the first regulations to limit greenhouse pollution from existing power plants, capping an unparalleled string of climate policies that, taken together, could substantially reduce the nation’s contribution to global warming."

"The U.S. Supreme Court on Thursday preserved a California law banning the sale of pork in America's most-populous state from pigs kept in tightly confined spaces, rejecting an industry challenge claiming that the voter-backed animal welfare measure impermissibly regulates out-of-state farmers."

"When it comes to the world’s heaviest living organism, it is a “forest of one tree” that is thought to take the crown. Now a sound expert is listening into the quiet grove in an attempt to hear its secrets."

"Proposed science-backed speed limit reductions could prevent whales from dying in vessel strikes, but boating advocates are pushing back, citing economic impacts."