Posts Tagged ‘climate change’
‘Heat dome’ melted Greenland ice sheet in 2012
U. SHEFFIELD (UK) — Unusual changes in the jet stream caused the exceptional surface melt of the Greenland ice sheet in 2012, but it’s too early to tell if it was a rare event or a sign of significant change. Continue…
Monday, June 17, 2013 11:45 - 0 Comments
Earth & Environment - Jun 14, 2013 15:51 - 0 Comments
Speedy evolution may help sea urchins survive
UC SANTA BARBARA (US) — Rapid adaptation could be sea urchins’ primary weapon against acidification and climate change as the carbon content of the ocean increases. (more…)
Earth & Environment - Jun 13, 2013 16:55 - 0 Comments
Oceans need time to adapt to fast nitrogen cycle
MCGILL (CAN) — Scientists have completed the first global study of changes that occurred in a crucial component of ocean chemistry, the nitrogen cycle, at the end of the last ice age. (more…)
Earth & Environment - Jun 7, 2013 15:32 - 0 Comments
Tropical stalagmites are a climate time capsule
GEORGIA TECH / CALTECH (US) — Cave stalagmites collected from Borneo show that the western tropical Pacific responded very differently to abrupt climate change events. (more…)
Top Stories - Jun 5, 2013 10:26 - 1 Comment
6-foot-long lizard shared planet with mammals
DUKE / UC BERKELEY (US) — One of the biggest known lizards to ever live on land roamed tropical forests alongside mammals some 40 million years ago. (more…)
Earth & Environment - May 31, 2013 9:57 - 0 Comments
California’s native fish face extinction
UC DAVIS (US) — Salmon and other native freshwater fish in California will likely go extinct within the next century due to climate change if current trends continue. (more…)
Earth & Environment - May 28, 2013 12:12 - 1 Comment
New estimate narrows global warming range
U. MELBOURNE (AUS) — Scientists have generated what they say are more reliable projections of how much warmer the planet will be in 2100 due to climate change. (more…)
Top Stories - May 25, 2013 21:45 - 0 Comments
Shifty mantle may skew sea level estimates
SYRACUSE U. / U. CHICAGO (US) — Changes in a prehistoric shoreline stretching from Virginia to Florida suggest that estimates of past sea levels could be off base. (more…)
Society & Culture - May 22, 2013 11:35 - 1 Comment
Did abrupt climate change spark human culture?
CARDIFF U. (UK) — Rapid climate change 80,000 to 40,000 years ago, the Middle Stone Age, may have sparked cultural innovation in early modern humans, according to new research. (more…)
Earth & Environment - May 21, 2013 11:02 - 2 Comments
Thawing Arctic keeps its grip on carbon
UC SANTA BARBARA (US) — The Arctic has warmed up over the last twenty years, but researchers find that the amount of carbon trapped in the soil remains steady. (more…)
Earth & Environment - May 1, 2013 15:32 - 1 Comment
Politics still split US on climate change
MICHIGAN STATE (US) — US residents who believe in the scientific consensus on global warming are more likely to support government action to curb emissions, regardless of political party. But, there’s still a divide. (more…)
Earth & Environment - Apr 29, 2013 12:30 - 4 Comments
Global warm-up not seen in last 1,400 years
COLUMBIA (US) — Earth’s climate warmed more between 1971 and 2000 than during any other three-decade interval in the last 1,400 years. (more…)
Earth & Environment - Apr 23, 2013 6:24 - 0 Comments
Snail fossils show when Earth turned icy
U. MICHIGAN (US) — Fossil snail shells offer new clues to an abrupt climate shift that transformed the planet nearly 34 million years ago. (more…)
Earth & Environment - Apr 18, 2013 11:48 - 0 Comments
West Antarctic ice loss still within normal range
U. WASHINGTON (US) — Glaciers at the edge of the icy continent of Antarctica have been thinning dramatically, but the changes can’t be attributed with confidence to human-caused global warming, according to new ice core research. (more…)
Top Stories - Apr 16, 2013 16:34 - 1 Comment
Sunlight on snow reacts to clean Arctic air
PURDUE (US) — Rising surface temperatures in the Arctic could affect a unique chemical reaction that helps rid the air of pollutants, experts report. (more…)
Society & Culture - Apr 12, 2013 9:26 - 0 Comments
If climate heats up, will Boston Marathon slow down?
BOSTON U. (US) — Future winning times in the Boston Marathon may slow as the climate continues to warm, experts say. (more…)
Earth & Environment - Apr 9, 2013 11:36 - 0 Comments
To survive, sea urchins evolve in a snap
STANFORD (US) — Some purple sea urchins are able to evolve rapidly, which should come in handy as climate change increases ocean acidity. (more…)
Earth & Environment - Apr 8, 2013 11:09 - 0 Comments
Ocean’s dusty winds key to past warm-up
CARDIFF U. (UK) — Airborne dust in the Southern Ocean may have played a key role in past rapid climate changes, new research reports. (more…)
Earth & Environment - Apr 5, 2013 12:18 - 1 Comment
Volcano event lines up with pre-dino die-offs
COLUMBIA U. (US) — New evidence from around the world links the abrupt disappearance of half of Earth’s species 200 million years ago to a precisely dated set of gigantic volcanic eruptions. (more…)
