Water-carved valleys may be relatively young, challenging assumptions about the history of the Red Planet's climate.
Climate Change
Posted inScience Updates
Climate Change, Groundwater Management, and California's Future
Conference on Climate Change and the Sustainable Groundwater Management Act; University of California, Davis, California, 4–5 April 2016
Posted inResearch Spotlights
Tide Gauge Records May Underestimate 20th Century Sea Level Rise
Tide gauges can help measure sea level change, but their limited locations and short records make it hard to pinpoint trends. Now researchers are evaluating the instruments' limitations.
Posted inEditors' Vox
The Arctic Freshwater Synthesis
The result of international study and coordination, this Special Issue provides an important "state-of-the-science" review of changing systems and their potential impacts.
Posted inNews
Candidates Have Dustup over Climate in First Debate
During the first presidential candidate debate Monday, Donald Trump denied saying that climate change is a hoax, but his own tweets show otherwise.
Posted inNews
White House: National Security Plans Must Consider Climate Risks
Along with the new policy directive, the administration released a report on how climate changes—from more extreme weather to sea level rise—can threaten national security.
Posted inScience Updates
Comprehensive Earth System Models of the Last Glacial Cycle
Much of modern climate science fails to consider millennium-scale processes, many of which may prove to be important for predicting the climate trajectory in the shorter term.
Posted inNews
Aquatic Plants May Accelerate Arctic Methane Emissions
About two thirds of the gas produced by a study area near Barrow, Alaska, came from increasingly abundant greenery covering only 5% of the landscape, researchers estimate.
Posted inNews
Top Arctic Science Diplomats Convene at White House Next Week
Precipitous transformations from climate change add impetus for this international meeting to guide cooperative research in the northern polar region, U.S. official says.
Posted inScience Updates
Probing the History of New Zealand's Orakei Maar
A team of scientists drilled into the bed within a northern New Zealand explosion crater lake to gain insights into volcanic hazards and past climates.