Posts Tagged ‘climate change’
Top Stories - Mar 1, 2013 8:08 - 2 Comments
Economy, not climate, tops global worry list
U. CHICAGO (US) — Concerns about the economy and health care rank higher than do worries about climate change worldwide, surveys show. (more…)
Science & Technology - Feb 13, 2013 13:09 - 0 Comments
Ice age extinctions led to hardier plants
U. MELBOURNE (AUS) — When it comes to biodiversity, extinctions have a bigger impact than evolution, say researchers who looked at Australian plant species wiped out by the ice ages. (more…)
Top Stories - Feb 13, 2013 11:29 - 0 Comments
In warm climate, early flights for butterflies
BOSTON U. (US) — Unlike birds, butterflies in the US Northeast appear to be flying earlier in warmer years. (more…)
Earth & Environment - Feb 7, 2013 12:18 - 3 Comments
Did key volcanoes cause climate flip-flops?
RICE (US) — Volcanoes at key locations where enormous amounts of carbon dioxide are poised for release may have driven Earth’s back and forth between greenhouse and icehouse states over the past 500 million years. (more…)
Earth & Environment - Feb 4, 2013 15:21 - 0 Comments
Tropical rain has varied with ocean impact
U. PITTSBURGH (US) — Historic lake sediment reveals that the factors producing drier climates in Central America today actually caused wetter conditions a few hundred years ago. (more…)
Earth & Environment - Feb 4, 2013 11:17 - 0 Comments
Ozone loss is biggest factor in jet stream shift
PENN STATE (US) — While both ozone depletion and greenhouse gases are helping shift the Southern Hemisphere jet stream to the south, a new analysis suggests ozone loss is having the biggest effect. (more…)
Top Stories - Feb 4, 2013 10:57 - 1 Comment
Heat stroke killing captive baby elephants
U. SHEFFIELD (UK) — High temperatures and low rainfall brought on by climate change affect the survival of elephants working in timber camps in Myanmar and double the risk of death to the calves. (more…)
Earth & Environment - Jan 31, 2013 12:12 - 2 Comments
In Alaska, magnets detect permafrost melt
STANFORD (US) — Researchers are using Earth’s magnetic field to determine if the permafrost beneath lakes is thawing as a result of climate change. (more…)
Science & Technology - Jan 24, 2013 11:56 - 0 Comments
Will lemurs survive parasites gone wild?
DUKE (US) — Rising temperatures and shifting rainfall patterns in Madagascar could fuel the spread of lemur parasites and the diseases they carry. (more…)
Earth & Environment - Jan 23, 2013 11:08 - 4 Comments
Plants can go thirsty but only for so long
U. ARIZONA (US) — Many plants’ demand for water is flexible, but prolonged drought conditions have put their resilience to the test. (more…)
Earth & Environment - Jan 22, 2013 11:41 - 0 Comments
Big climate picture from tiny marine fossils
CARDIFF U. (UK) — Researchers are studying a unique 12,000-year fossil record of marine algae to learn more about past climate change in the western Antarctic Peninsula, one of the fastest warming regions on the planet today. (more…)
Earth & Environment - Jan 22, 2013 11:40 - 1 Comment
Hot days threaten corn crop yields
U. LEEDS (UK) — Fertilizers and improved irrigation have increased corn production, but soaring temperatures could soon offset those recent gains. (more…)
Top Stories - Jan 16, 2013 18:40 - 0 Comments
Heat brings earliest spring blooms on record
BOSTON U. (US) — Unusually warm spring weather in 2010 and 2012 resulted in the earliest blooms on record in two US locations, a new study finds. (more…)
Earth & Environment - Jan 16, 2013 11:32 - 15 Comments
Soot is heating up the planet, experts warn
U. LEEDS (UK) — Soot’s role in global warming may be underestimated, but a major effort in reduction could potentially gain us a few decades of relief. (more…)
Earth & Environment - Jan 10, 2013 17:58 - 3 Comments
Toughest coral can take the heat
STANFORD (US) — Scientists have discovered why some corals can tolerate warming ocean temperatures brought on by climate change. (more…)
Earth & Environment - Jan 4, 2013 15:26 - 0 Comments
New drought model accounts for climate
PRINCETON (US) — Recent droughts have led scientists to warn that global warming has already begun to increase worldwide drought, but new research says this might not be so. (more…)
Earth & Environment - Jan 4, 2013 13:07 - 0 Comments
El Niño clues in 7,000-year-old coral
GEORGIA TECH (US) — Hidden in coral fossils, new information about the El Niño-Southern Oscillation could help scientists assess climate model projections for future climate change in the tropical Pacific. (more…)
Science & Technology - Jan 3, 2013 11:22 - 0 Comments
Jellyfish ‘bloom’ may be a bust
U. SOUTHAMPTON (UK) — The current global increase in jellyfish may be nothing more than a consequence of a normal 20-year fluctuation cycle. (more…)
