Coastal communities will need massive amounts of mud and dirt to protect their shorelines from rising seas. One federal agency has it, but most is disposed of instead of reused.
The world's oil and gas mega-companies are raking it in again. The earnings reflect the remarkable comeback in the global economy, powered by U.S. growth, which is sharply pushing up demand for oil.
More and more companies are pledging to cut carbon emissions. Many say they'll buy carbon offsets that save forests, but counting how much carbon is actually saved is fuzzy math.
Monarch butterflies fly the longest two-way migration of any insect species. Ecologist Sonia Altizer shares how these intrepid butterflies make the journey — and how it's being threatened.
Germany's top court rejected some of the activists' arguments but agreed that the country's climate act violates their fundamental rights by not specifying emissions reduction targets after 2030.
The Trump administration rolled back the regulations last year, a move that was so controversial even some oil companies opposed it. Methane is an even more potent greenhouse gas than carbon dioxide.
Automakers worry about a shortage of key minerals just as production of electric vehicles is set to spike. The Biden administration has called for boosting domestic production of them.
"I'm not sure where you're shooting," a guide tells the longtime head of the National Rifle Association. The footage had reportedly been suppressed for years.
The digital food magazine announced the change on Monday, citing the carbon footprint of cattle and a desire to help home cooks become more environmentally friendly.