The report says humans have caused some warming, a view at odds with that of the Trump crew.
A 2017 Gallup poll found that 63 percent of Americans worry a great deal about drinking water pollution.
The bacteria, found in a subglacial lake, could be helping to limit the emission of methane into the atmosphere.
The planet is now in a resource deficit for the rest of the year.
The gap may help explain the ongoing clash between President Trump and German Chancellor Angela Merkel over climate policy.
Foreign cyberattacks and economic uncertainties were ranked third.
Warming of more than 2 degrees Celsius is often viewed as a “tipping point.”
The scientist and TV star suggests that fear and a generational knowledge gap are what fuels climate change doubters.
The U.S. military has been asked to report on how it could be affected by climate change.
Despite the avoidance of millions of tons of carbon dioxide emissions through use of renewable energy, increased efficiency and conservation efforts, the rate of increase of carbon dioxide in the atmosphere remains high.
President Donald Trump and German Chancellor Angela Merkel have notable disagreements on the issue of climate change.
Greenpeace said listing the World Heritage Site as endangered would have forced the Australian government to act on climate change.
The soon-to-be iceberg is moving faster than ever. It's a matter of "hours, days or weeks."
In the first analysis of its kind, researchers predict climate change will cost the United States dearly.
Scientists find hailstorms will become less frequent—but their size and potential for damage will increase significantly.
The acceleration is driven by expansion of water and melting ice sheets.
Scream into the abyss and the abyss is only likely to scream back at you—even louder.
Sea ice is unexpectedly in motion, making the expedition far too dangerous.
In a recent state-sanctioned report, North Korea concluded that U.S. nuclear and biochemical weapons had devastated the global environment.