Melting permafrost on Alaska's North Slope. Photo: NASA/JPL-Caltech
climate change impacts
Melting permafrost on Alaska's North Slope. Photo: NASA/JPL-Caltech
Photo: BLM Oregon
A view of the Sacramento River after multiple days of heavy rain in early January 2017. Source: James Daisa/Flickr Attribution-ShareAlike 2.0 Generic License.