Climate
- Climate
Petrified tree rings tell ancient tale of sun’s behavior
The 11-year cycle of solar activity may have been around for at least 290 million years, ancient tree rings suggest.
- Earth
Antarctic ice shelf heading toward collapse
A fast-growing crack in Antarctica’s Larsen C ice shelf could soon break off a 5,000-square-kilometer hunk of ice into the ocean.
- Earth
Antarctica’s Larsen C ice shelf nears breaking point
A fast-growing crack in Antarctica’s Larsen C ice shelf could soon break off a 5,000-square-kilometer hunk of ice into the ocean.
- Climate
Warming could disrupt Atlantic Ocean current
The Atlantic current that keeps northwestern Europe warm may be less stable under future climate change than previously thought, revised simulations show.
- Earth
Data show no sign of methane boost from thawing permafrost
Rapid Arctic warming has increased emissions of carbon dioxide, but not methane, from northern Alaska tundra.
- Climate
Arctic kelp forests may create summer refuges from ocean acidification
Long summer daylight revs up carbon capture in Arctic kelp forests, offering a little relief from acidifying ocean water.
- Climate
Year in review: Sea ice loss will shake up ecosystems
Researchers are studying the complex biological consequences of polar melting and opening Arctic passageways.
- Earth
Year in review: Ozone hole officially on the mend
Research this year confirms that the Antarctic ozone hole is healing — an international success attributed to cooperation and new technologies.
- Ecosystems
Oyster deaths linked to ‘atmospheric rivers’
Atmospheric rivers bring strong storms that could have been behind a 2011 California oyster die-off.
- Climate
Glacier melting’s link to climate change confirmed
The decades-long melting of glaciers is categorical evidence of climate change, a new study affirms.
- Climate
Solar panels are poised to be truly green
Solar panels are about to break even on their energy usage and greenhouse gas emissions.
- Oceans
Coral die-off in Great Barrier Reef reaches record levels
Bleaching has killed more than two-thirds of corals in some parts of the Great Barrier Reef, scientists have confirmed.
