Don't be caught by rising tides.
Arctic ice melting accelerates.
Quantifying climate change impacts on ecosystems.
A geological revolution with remote sensing.
Scanning Greenland's ice from above and below.
Big data used for NASA climate change animations.
Climate visualizations from NASA.
Radar exposes canyons under Greenland's ice-cap.
"Bombed-out" can be applied to extreme weather events.
The National Academy of Sciences (NAS) was established by President Abraham Lincoln in 1863. The purpose of the NAS is stated in its original charter:
"The Academy shall, whenever called upon by any department of the Government, investigate, examine, experiment, and report upon any subject of science or art, the actual expense of such investigations, examinations, experiments, and reports to be paid from appropriations which may be made for the purpose, but the Academy shall receive no ...