A new analysis suggests that in the winter following a La Niña, dryness in California often deepens into drought. Consistent with that pattern, California’s current drought began in 2011-12, during the second year of a La Niña episode.
The International Academy of the Digital Arts & Sciences has chosen the U.S. Climate Resilience Toolkit as one of five nominees for the annual Webby Awards for online excellence in the "Green" category.
In northern Alaska, ponds are shrinking and disappearing as the frozen ground beneath them thaws. The loss may have serious consequences for migratory birds and the subsistence hunters that depend on them.
Arctic sea ice extent reached 5.61 million square miles on February 25, and then began to retreat. Unless a late growth spurt takes place, it will be the smallest winter maximum in the satellite record.
A map of snow depth across Alaska on March 9 shows the reason for the re-route of the historic sled dog race.
This pair of maps shows whether your state tends to have wet, dry, or average springs during El Niño, and how often the wet or dry pattern occurred during the last 10 El Niño years.
After a surprisingly rough summer for coral reefs in 2014, NOAA scientists are warning that warm ocean temperatures in the tropical Pacific and Indian Oceans could set the stage for a global outbreak of coral bleaching—the loss of corals’ food-producing algae—in 2015.
One of nature’s truly awe-inspiring creations, caves and the unique rock formations inside them are not only breathtaking but are also natural recorders of climate.
Thanks to back-to-back storms over the last month, most of the Midwest and North-Atlantic regions are covered by snow. But when was the last time there was snow on the ground in all fifty states—even our most tropical destinations, Florida and Hawaii?
Restoring a healthy balance between sea otters and their sea urchin prey comes with a modest but meaningful bonus: halting the overgrazing of kelp forests and increasing their ability to remove excess carbon dioxide from the atmosphere.