As summers heat up, the air we breathe is increasingly at risk of becoming unhealthy, despite decades of air quality improvements.
Recent housing growth rates are faster in high flood risk zones for most coastal states.
Hotter summers often lead to more stagnant air—trapping air pollutants that can cause health problems.
Since NOAA’s Index began in 1973, the number of annual stagnant days has increased in 83% of the contiguous U.S. cities analyzed.
While U.S. temperatures have been relatively mild this year, the rest of the world has endured near-record heat.
The past five years have been the hottest on record globally — and 2019 is on pace to continue that trend.
Climate change is making summer scorchers all the more extreme—check the trend for area.
This image puts today’s CO2 levels in historical context. Spoiler alert: we’re off the charts.