The Trump administration won't ban a common pesticide used on food, reversing efforts by the Obama administration to bar the chemical based on findings it could hinder development of children's brains.
U.S. officials are pressing a federal judge to lift his 2015 order blocking a proposed irrigation dam and fish passage on the Yellowstone River, warning that a rapidly-disappearing, ancient fish species faces a grim future ...
The California Energy Commission has passed energy-efficiency standards for computers and monitors in an effort to reduce power costs, becoming the first state in the nation to adopt such rules.
A decade ago, environmentalists and the federal government agreed to revive a 150-mile stretch of California's second-longest river, an ambitious effort aimed at allowing salmon again to swim up to the Sierra Nevada foothills ...
An environmental group accused three major television manufacturers Wednesday of misleading consumers and regulators about how much energy their high-definition screens devour by designing them to draw less power during government ...
In a bid to stop the killing of elephants for their tusks, world governments voted at a major conservation conference to urge the closure of all domestic ivory markets.
The United States and China on Saturday formally joined the Paris climate change agreement, with President Barack Obama hailing the accord as the "moment we finally decided to save our planet".
Wildlife advocates reached a tentative agreement with the U.S. government in a legal dispute over an endangered fish in the Yellowstone River along the Montana-North Dakota border.
Obscured by polluted haze, workers are putting the finishing touches to towering smokestacks on a multi-billion-dollar coal-to-oil plant in China that will pump out vast amounts of carbon dioxide when in operation.
California wants more drivers to dump the pump and plug in.