Climate
- Climate
Rising CO2 levels might not be as good for plants as we thought
A 20-year experiment spots a reversal in the way two kinds of plants take up extra carbon from the atmosphere.
- Climate
Cargo ships must cut their emissions in half by 2050
A new international agreement places a cap on greenhouse gas emissions from international cargo ships.
- Oceans
Ocean heat waves are becoming more common and lasting longer
Over the last 100 years, the world’s oceans have sweltered through a rising number of heat waves.
- 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.
- 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.
