June 18, 2020

Among the simplest ways to turn global climate data into pictures is a row of colored stripes showing each year's temperature and precipitation compared to the long-term average. Use this clickable map to see U.S. state and county climate trends since 1895.

Map of Gulf of Mexico showing swirls of chlorophyll in the surface waters from May 20–25, 2019
June 18, 2019

The devastating floods in the Missouri and Mississippi basins aren't the end of the problems caused by the wet spring in 2019. Fertilizer overload from high river runoff is forecast to lead to a very large dead zone in the Gulf of Mexico later this summer. 

October 15, 2018

Use a slider to compare satellite images of Washington, DC, and Baltimore, MD, with maps of afternoon temperatures to see the hottest and coolest parts of the city on a late summer day.