Climate
- Earth
Efforts to contain Mississippi floods may have made them worse
Intensive management of the Mississippi River has increased the size of its largest floods, suggests a new study.
- Health & Medicine
Are we ready for the deadly heat waves of the future?
As heat waves become more common, cities try to respond.
- Climate
Seafloor map shows why Greenland’s glaciers melt at different rates
A new high-res look at the seafloor shows how ledges and dips affects whether relatively warm ocean water reaches the ice.
- Climate
Tree rings tell tale of drought in Mongolia over the last 2,000 years
Semifossilized trees preserved in Mongolia contain a 2,000-year climate record that could help predict future droughts.
By Dan Garisto - Science & Society
What we can and can’t say about Arctic warming and U.S. winters
Evidence of a connection is growing stronger, but scientists still struggle to explain why.
- Ecosystems
When bogs burn, the environment takes a hit
Bogs and other peatlands around the world store outsized amounts of carbon. Climate change and agriculture are putting them at risk.
- Animals
Strong winds send migrating seal pups on lengthier trips
Prevailing winds can send northern fur seal pups on an epic journey.
- Climate
Look to penguins to track Antarctic changes
Scientists say carbon and nitrogen isotopes found in penguin tissues can indicate shifts in the Antarctic environment.
- Animals
A peek into polar bears’ lives reveals revved-up metabolisms
Polar bears have higher metabolisms than scientists thought. In a world with declining Arctic sea ice, that could spell trouble.
By Susan Milius - Agriculture
Grapevines are more drought-tolerant than thought
Grapevines handle drought better than previously thought. This could inform irrigation management.
By Dan Garisto - Earth
Overlooked air pollution may be fueling more powerful storms
The tiniest particles in air pollution aren’t just a health threat. They also strengthen thunderstorms, new research suggests.
- Climate
Rising CO2 in lakes could keep water fleas from raising their spiky defenses
Rising CO2 in freshwaters may change how predators and prey interact in lakes.