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Horn of Africa faces more extreme future - a tale from the lake

Horn of Africa faces more extreme future - a tale from the lake

Posted Thu, 04 Aug 2011 18:00:00 GMT by Martin Leggett

While the drought crisis still rages in the Horn of Africa, a study published in Science today provides snapshots of how such droughts have played out over the last 20,000 years. Researchers have been able to connect muddy layers in a lake in Kenya to the ragged fluctuations of the El Nino/ La Nina cycle in the Pacific; the story confirms that a future both wetter, and more drought-prone, is likely.

Horn of Africa faces more extreme future - a tale from the lake

Fire in the north: burning tundra heralds new warming worries

Fire in the north: burning tundra heralds new warming worries

Posted Wed, 27 Jul 2011 17:00:00 GMT by Martin Leggett

A paper out in Nature today suggests that the touch-paper for runaway global warming could be lit by increased fires in the previously damp tundra soils of the Arctic. Such fires have been absent for 11,000 years - their reappearance could help cause permafrost to melt more readily, in a chain-reaction of CO2 emissions that would boost global warming.

Fire in the north: burning tundra heralds new warming worries

Ice shelf collapse causes glacial surge

Ice shelf collapse causes glacial surge

Posted Wed, 27 Jul 2011 14:50:00 GMT by Melanie J. Martin

Just how much does the collapse of an ice shelf affect glaciers? Glacial ice may surge into the ocean for many years after an ice shelf's collapse. New research studying two ice shelf collapses provides the most accurate data yet on this phenomenon.

Ice shelf collapse causes glacial surge

Is carbon capture kaput?

Is carbon capture kaput?

Posted Fri, 22 Jul 2011 16:44:00 GMT by Martin Leggett

News of AEP's cancellation of its carbon capture trial after mixed success have added to worries that CCS (Carbon capture and Storage) is struggling to match hopes for helping with the global carbon conundrum. And a new report into reusing CO2 - released yesterday by the UK's Center for Low Carbon Futures - is a reminder that potential their may also be too little too late.

Is carbon capture kaput?

Arctic sea-ice in race to bottom

Arctic sea-ice in race to bottom

Posted Wed, 20 Jul 2011 16:17:01 GMT by Martin Leggett

2011 is shaping up to be another year of danger for the Arctic ice cap, with levels of sea-ice cover nudging below those for the record ice-loss of 2007. The final minimum won't be known until September, but the volume of ice is already thought to be lower than any previous year - leaving the climate, and polar bears, as big losers.

Arctic sea-ice in race to bottom

Forests still sucking it up, when it comes to carbon

Forests still sucking it up, when it comes to carbon

Posted Thu, 14 Jul 2011 18:00:00 GMT by Martin Leggett

Forests world-wide have maintained their levels of carbon-storing, despite the twin assaults of tropical deforestation and climate change. New tropical forest growth in previously cleared areas, as well in the temperate forests of the US and China, have helped keep an uneasy balance in the carbon accounts of global forested areas - which helps take the edge off of our climate change-threatening emissions.

Forests still sucking it up, when it comes to carbon

Oceans struggling to soak up CO2

Oceans struggling to soak up CO2

Posted Sun, 10 Jul 2011 17:00:00 GMT by Martin Leggett

Warming oceans may be finding it harder to take their share of our CO2 emissions, says an upcoming study out in Nature Geoscience today. The three-decades of North Atlantic data analyzed suggest, for the first time, that climate change is causing the oceans to pass the CO2 buck straight back to us.

Oceans struggling to soak up CO2

Looking for the climate's future in the distant past

Looking for the climate's future in the distant past

Posted Thu, 07 Jul 2011 15:06:00 GMT by Colin Ricketts

Scientists have turned to fossils from a previous time of high CO2 concentrations and found that previous temperature predictions have probably been too high. The team studied growth rings in the shells of molluscs and tested other material found in the fossils.

Looking for the climate's future in the distant past

China's double-edged climate weapon

China's double-edged climate weapon

Posted Wed, 06 Jul 2011 13:21:00 GMT by Martin Leggett

A paper published yesterday, in the Proceedings of the National Academy of Science, suggests that the same coal-powered stations helping to bump up greenhouse gas emissions may be helping to hold temperatures back too. The cooling-sulfates from China's coal-fueled economic boom are being removed to stop local pollution - but could that give global warming an alarming kick upwards?

China's double-edged climate weapon

Sea-levels to be driven higher by warming currents undermining ice-shelves

Sea-levels to be driven higher by warming currents undermining ice-shelves

Posted Sun, 03 Jul 2011 17:00:00 GMT by Martin Leggett

Warming ocean currents could eat into polar ice-sheets from beneath, increasing the rate at which they flow into the sea, say researchers in a paper out in Nature Geoscience today. Their state-of-the-art climate models suggests a sea-level rise of 36 inches or more is on the cards by 2100.

Sea-levels to be driven higher by warming currents undermining ice-shelves

Ozone likely to threaten European forests as climate warms

Ozone likely to threaten European forests as climate warms

Posted Fri, 01 Jul 2011 15:18:00 GMT by Colin Ricketts

Researchers from Sweden say that damage from ozone is likely to badly affect European forests and agriculture by the end of this century, reducing yields. Ozone is very important to life on Earth as any green veterans will remember. In the higher atmosphere - the ozone layer helps keep out harmful ultraviolet solar radiation.

Ozone likely to threaten European forests as climate warms

Urgent action needed to feed growing population in warmer world

Urgent action needed to feed growing population in warmer world

Posted Fri, 01 Jul 2011 12:14:00 GMT by Colin Ricketts

The Crop Society of America warns that action must be taken quickly to help agriculture adapt to changing climate - both by finding new crops and by changing the ways we farm. According to the CSSA, drought will affect production from more than half of the planet's arable land within the next half-century and there is an urgent need to develop crop species and agricultural systems which can make the best use of scarce water.

Urgent action needed to feed growing population in warmer world

Using icebergs to solve southern European water shortages

Using icebergs to solve southern European water shortages

Posted Thu, 30 Jun 2011 21:49:00 GMT by Michael Evans

Global warming is causing water shortages in Southern Europe as well as causing large lumps of ice to break off the polar icecap. What if these icebergs could be towed south to solve the water shortage? A French study says that they could.

Using icebergs to solve southern European water shortages

Aircraft can trigger snow above airports, says study

Aircraft can trigger snow above airports, says study

Posted Thu, 30 Jun 2011 18:00:00 GMT by Martin Leggett

Research out in Science today points to aircraft as the source of a little extra snow locally, with the 'hole-punch' clouds that they create in low-lying cloud cascading the formation of ice crystals. Wings and props both seem to seed snow-producing cloud, which may mean that climate scientists need to adjust for the effect in airport weather-data records - especially near to the poles

Aircraft can trigger snow above airports, says study

How wallabies from 'down-under' can help in climate-change fight

How wallabies from 'down-under' can help in climate-change fight

Posted Thu, 30 Jun 2011 18:00:00 GMT by Martin Leggett

Wallabies have been shown to make use of helpful green bacteria, as part of their solution to turning grass and leaves into energy, says a new study. They produce 80% less methane than cows or sheep. The latest research from down-under, published in the new Science, may lead to better ways to control livestock emissions, which is the third-largest source of climate-altering methane in the US.

How wallabies from 'down-under' can help in climate-change fight

Arctic sea-ice loss lets Pacific sea-life into Atlantic

Arctic sea-ice loss lets Pacific sea-life into Atlantic

Posted Sun, 26 Jun 2011 15:31:01 GMT by Martin Leggett

The news that the fabled North-west passage, across the Arctic, has become a reality for Pacific marine life, is just of many worrying signs reported from Europe's seas for an ongoing marine monitoring project. The shifting fortunes of Europe's seas, under the impact of climate change, is revealed today in a release from Project CLAMER, a collaboration between 17 European marine-study institutes.

Arctic sea-ice loss lets Pacific sea-life into Atlantic

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Mama Mia Mantis

Posted Thu, 27 Nov 2014 11:37:00 GMT by Dave Armstrong

Use biodiversity to combat climate change!

Posted Fri, 14 Nov 2014 09:10:01 GMT by Paul Robinson

Our climate change is related to deep ocean currents and glaciations

Posted Mon, 27 Oct 2014 02:00:00 GMT by JW Dowey

If you can't stand the heat..

Posted Tue, 21 Oct 2014 10:45:00 GMT by JW Dowey

Flood the Pacific islands or don't sell your coal!

Posted Sun, 19 Oct 2014 13:29:00 GMT by Dave Armstrong

Sea ice helps carbon absorption

Posted Mon, 22 Sep 2014 16:59:00 GMT by Dave Armstrong

Climate change affects islands, but one snail hangs on.

Posted Tue, 09 Sep 2014 09:14:00 GMT by Paul Robinson

Soil carbon is lost with global warming

Posted Thu, 04 Sep 2014 09:52:00 GMT by Dave Armstrong

WMO and others at Montreal climate change conference

Posted Fri, 22 Aug 2014 11:30:00 GMT by Dave Armstrong

Trees lose out to climate change

Posted Fri, 15 Aug 2014 10:01:00 GMT by Dave Armstrong

Huge Antarctic rift provides clues on ice loss

Posted Thu, 26 Jul 2012 11:46:58 GMT by Adrian Bishop

Mongolia - a laboratory for climate change

Posted Fri, 26 Aug 2011 20:06:00 GMT by Julian Jackson

Sea cow teeth point to a wetter Eocene and a 'greenhouse earth'

Posted Thu, 21 Apr 2011 18:02:01 GMT by Martin Leggett

Ozone Hole Over the Arctic is of Record Proportions

Posted Mon, 25 Apr 2011 12:31:00 GMT by Mike Campbell

Arctic ice retreats to new minimum

Posted Tue, 13 Sep 2011 17:26:00 GMT by Colin Ricketts

Using icebergs to solve southern European water shortages

Posted Thu, 30 Jun 2011 21:49:00 GMT by Michael Evans

West Antarctica gets warmed from tropics via 'Rossby waves'

Posted Mon, 11 Apr 2011 15:11:02 GMT by Martin Leggett

Patagonia glaciers now melting ten times faster

Posted Mon, 04 Apr 2011 11:50:00 GMT by Martin Leggett

What Climate Change? (the instruments have all been cut)

Posted Fri, 21 Jun 2013 09:05:01 GMT by JW Dowey

Is the clock ticking on Earth Hour?

Posted Tue, 22 Mar 2011 17:21:00 GMT by Laura Brown