Millions of city trees at risk from rising temperatures

A new study has found that almost one quarter of trees in Australian cities are at risk from increasing temperatures in urban environments due to climate change and urban heat islands, posing a threat to some tree species ...

EPA OKs pollution controls on new diesel Jeeps, Ram pickups

U.S. regulators have blessed emissions controls on 2017 versions of Fiat Chrysler diesel trucks, allowing them to go on sale and potentially helping to resolve allegations that the company cheated on pollution tests.

California farm region plagued by dirty air looks to Trump

California's vast San Joaquin Valley, the country's most productive farming region, is engulfed by some of the nation's dirtiest skies, forcing the state's largest air district to spend more than $40 billion in the past quarter-century ...

How environmentalists can regroup for the Trump era

Since taking office, President Donald Trump has launched an all-out assault on regulations that protect the environment. In addition to retreating from the Paris climate accord, he wants to slash the Environmental Protection ...

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