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About the size of Rhode Island, the iceberg known as A23a got stuck in an ocean vortex this summer, spinning in place for months. Now, it's free, and heading back into open Antarctic waters.

The Biden administration has approved California's plan to require new vehicles sold in the state by 2035 to have zero-emissions. President-elect Trump has said he would role back the rules.

Old mines leave behind a a pressing problem: Huge holes that make the landscape look like a chunk of swiss cheese. But in Germany, some scientists and city planners are turning these into lakes. The largest one will be the biggest artificial lake in ...

Instead of regulating harmful agricultural runoff, Iowa -- the nation's biggest corn-producing state -- backs a voluntary, industry-friendly program. But it's not as effective as advertised.

A decade of effort to win more water from the Colorado River is finally paying for the Navajo Nation. The Infrastructure Act is funding new irrigated farms now that the desert tribe can legally pull water from the river.

Amidst exceptionally dangerous wildfire conditions, a blaze broke out late Monday in Malibu, California. Firefighters say difficult conditions are expected through Wednesday.

U.S. officials decided to extend protections to monarch butterflies after warnings from environmentalists that populations are shrinking and the beloved pollinator may not survive climate change.

President Biden helped avert a crisis on the Colorado River by paying farmers and cities $28 million in IRA funds to not take water out of the river. States fear a future without those payments.

Arctic tundra is releasing greenhouse gases into the atmosphere as hotter temperatures melt frozen ground and wildfires increase.

If you crossed WALL-E with a floor lamp, it might look a little like the PhytoPatholoBot. These robots aren't roving through space or decorating a living room -- they're monitoring the stems, leaves and fruit of Cornell AgriTech's vineyards, rolling ...