The State of the Climate in 2017 report includes a summary of the devastation in Puerto Rico from Hurricane María, describing damage so widespread and severe that thousands of residents of the Caribbean island moved to the U.S. mainland in the aftermath.
Ice cover on the Great Lakes has been decreasing since the 1970s, affecting everything from fishing to shipping.
Impacts of global warming on Great Plains summer rainfall and vegetation are biggest unknowns.
A saildrone observed the growth and decay of a bloom of ocean plants in the Alaskan Arctic in late summer 2017. Such blooms affect the rate of regional ocean acidification, which occurs as surface waters absorb human-produced carbon dioxide.
Most of the United States has better than even odds of June temperatures being in the warmest third of the 1981-2010 climate record.
With long ranges and adaptive capabilites, saildrones provide researchers with a new tool in their toolbox for collecting data in remote and hard to reach parts of the ocean.
This animated gif tracks the emergence and decay of La Niña in the tropical Pacific from August 2017-April 2018.
The chances that May-July temperatures will be well above normal are better than 50% across much of the southwestern United States and New England.
