Rising extreme heat and humidity in the U.S. cities threaten public health.
New analysis shows how climate change is influencing a dramatic increase in large western wildfires.
Since the first Earth Day was celebrated in 1970, average temperatures across the U.S. have been rising.
Analysis shows emissions reductions will need to be dramatically accelerated to meet the 1.5°C COP21 goal.
Analysis finds a decrease in the percent of precip falling as snow in winter months for every region of the U.S.
The first-ever national analysis of state level preparedness for climate-driven, weather-related threats in all 50 states.
Warming temperatures are about to push U.S. cities into a new regime where danger days are more common.
Explore how water use for power generation has been changing, state-by-state, since 2005.