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A deadly West Nile epidemic was aided by warm temperatures, and experts say the United States could see many more like it.
A successful climate treaty in Paris may not be enough to keep global temperatures from crossing the danger zone, study warns.
Many of the nation’s most iconic glaciers could vanish entirely in a few decades, scientists say.
A new scientific analysis highlights the role of corporate donations in creating doubt about climate change.
Average levels of CO2 exceeded 400 ppm during early 2015, a year that is expected to be the hottest ever.
White House rejects proposal from Canadian developer that would have postponed a decision on Keystone XL until after the next U.S. election.
EPA expands its Volkswagen probe after tests find diesel cars that used “defeat devices” to thwart pollution controls.
If global temperatures continue to rise, cities such as Dubai could suffer days too hot for human survival, new study warns.
Rural utilities, ordered to use coal in the ’70s, say new clean-energy mandates will hurt them the most.
Rep. Lamar Smith issued the subpoenas two weeks ago demanding e-mails and records from U.S. scientists who participated in the study.