News tagged with global change

Switching from coal to natural gas would do little for global climate, study indicates

Although the burning of natural gas emits far less carbon dioxide than coal, a new study concludes that a greater reliance on natural gas would fail to significantly slow down climate change. The study appears ...

Space & Earth / Environment

created Sep 08, 2011 | popularity 4.6 / 5 (13) | comments 51 | with audio podcast

Methane levels 17 times higher in water wells near hydrofracking sites

A study by Duke University researchers has found high levels of leaked methane in well water collected near shale-gas drilling and hydrofracking sites. The scientists collected and analyzed water samples from 68 private ...

Space & Earth / Environment

created May 09, 2011 | popularity 4.4 / 5 (12) | comments 9 | with audio podcast

Discovery of historical photos sheds light on Greenland ice loss

A chance discovery of 80-year-old photo plates in a Danish basement is providing new insight into how Greenland glaciers are melting today.

Space & Earth / Earth Sciences

created May 29, 2012 | popularity 4.6 / 5 (14) | comments 9 | with audio podcast

Climate scientists say they have solved riddle of rising sea

Massive extraction of groundwater can resolve a puzzle over a rise in sea levels in past decades, scientists in Japan said on Sunday.

Space & Earth / Earth Sciences

created May 20, 2012 | popularity 4.2 / 5 (25) | comments 32

Study shows experiments underestimate plant responses to climate change

Experiments may dramatically underestimate how plants will respond to climate change in the future. That's the conclusion of an analysis of 50 plant studies on four continents, published this week in an advance online issue ...

Space & Earth / Environment

created May 02, 2012 | popularity 4.1 / 5 (9) | comments 14 | with audio podcast

Climate change may create price volatility in the corn market

By the time today's elementary schoolers graduate from college, the U.S. corn belt could be forced to move to the Canadian border to escape devastating heat waves brought on by rising global temperatures. ...

Space & Earth / Environment

created Apr 22, 2012 | popularity 3.5 / 5 (14) | comments 28 | with audio podcast

Analysis raises atmospheric, ecologic and economic doubts about forest bioenergy

A large, global move to produce more energy from forest biomass may be possible and already is beginning in some places, but scientists say in a new analysis that such large-scale bioenergy production from ...

Space & Earth / Environment

created Apr 18, 2012 | popularity 4.3 / 5 (3) | comments 2 | with audio podcast

Climate change helps then quickly stunts growth, decade-long study shows

(Phys.org) -- Global warming may initially make the grass greener, but not for long, according to new research conducted at Northern Arizona University.

Space & Earth / Environment

created Apr 10, 2012 | popularity 3.9 / 5 (18) | comments 163 | with audio podcast

Changing climate can affect fish fertility

(Phys.org) -- Warmer water temperatures can greatly increase the reproductive capacity of the widely distributed pest fish species gambusia, or mosquito fish, a new study has found.

Biology / Ecology

created Apr 10, 2012 | popularity not rated yet | comments 0 | with audio podcast

Fertilizer use responsible for increase in nitrous oxide in atmosphere

University of California, Berkeley, chemists have found a smoking gun proving that increased fertilizer use over the past 50 years is responsible for a dramatic rise in atmospheric nitrous oxide, which is a major greenhouse ...

Space & Earth / Earth Sciences

created Apr 02, 2012 | popularity 4.1 / 5 (9) | comments 5 | with audio podcast

Coral links ice to ancient 'mega flood'

(PhysOrg.com) -- Coral off Tahiti has linked the collapse of massive ice sheets 14,600 years ago to a dramatic and rapid rise in global sea-levels of around 14 metres.

Space & Earth / Earth Sciences

created Mar 30, 2012 | popularity 4.8 / 5 (5) | comments 9 | with audio podcast

Study: Greenland ice sheet may melt completely with 1.6 degrees global warming

The Greenland ice sheet is likely to be more vulnerable to global warming than previously thought. The temperature threshold for melting the ice sheet completely is in the range of 0.8 to 3.2 degrees Celsius ...

Space & Earth / Earth Sciences

created Mar 11, 2012 | popularity 3.8 / 5 (28) | comments 132 | with audio podcast

World's oceans get an acid bath

Among the repercussions of global climate change, the effect of ocean acidification on marine life is one of the least-understood variables.

Space & Earth / Environment

created Feb 22, 2012 | popularity 4.3 / 5 (11) | comments 7 | with audio podcast

Extreme summer temperatures occur more frequently: study

(PhysOrg.com) -- Extreme summer temperatures are already occurring more frequently in the United States, and will become normal by mid-century if the world continues on a business as usual schedule of emitting ...

Space & Earth / Environment

created Feb 15, 2012 | popularity 3.2 / 5 (21) | comments 64 | with audio podcast

Ocean microbe communities changing, but long-term environmental impact is unclear

As oceans warm due to climate change, water layers will mix less and affect the microbes and plankton that pump carbon out of the atmosphere – but researchers say it's still unclear whether these processes ...

Space & Earth / Earth Sciences

created Feb 09, 2012 | popularity 5 / 5 (3) | comments 2 | with audio podcast