Learn why world leaders, scientists and policymakers are sticking to a 2°C target at Paris climate talks.
World leaders took a major step this weekend toward speeding up the development of clean energy.
You're likely to hear the term 2°C a lot during the next two weeks.
Climate change investments are up 18 percent in 2014 as clean energy surges.
A new interactive USGS map provides detailed information on nearly 49,000 wind turbines across the U.S.
2015 will go down as the hottest year and a punctuation mark on the hottest five-year period on record.
Increasing greenhouse gases are the overwhelming reason why 2015 will be the hottest year on record.
2015 is virtually certain to be the warmest year on record, with global warming driving that excess heat.
Per capita carbon emissions are falling, but Wyoming's are still seven times the national average.
Researchers have found that conflict makes people more vulnerable to climate impacts.
We're likely living in a post-400 ppm world. Here's what it means to scientists that study the climate.
Island nations and others are desperate to keep global warming to less than 1.5°C, or 2.7°F.
The U.K. plans to close all of its coal-fired power plants by 2025 to address climate change.
States at Risk: America’s Preparedness Report Card summarizes the changing nature of key threats and corresponding levels of preparedness in…
NOAA and NASA said October had the biggest temperature departure of any month in 100-plus years.
Warming temperatures are about to push U.S. cities into a new regime where danger days are more common.
Incredible October global temperatures make it 99.9 percent certain that 2015 will be the hottest year on record.
El Niño hit a weekly temperature record and is likely to keep upping the heat globally.
U.S. energy demand strains global water supplies in a warming world.
Efforts to foster forests and slow deforestation are being glossed over ahead of climate talks.