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Bringing soot and methane on board, post-Kyoto

Bringing soot and methane on board, post-Kyoto

Posted Thu, 12 May 2011 18:30:01 GMT by Martin Leggett

Soot and methane are climate-change causing pollutants that need bringing into any new international agreement on slowing global warming. So says a Policy Forum article in today's Science. With Kyoto due to expire in 2012, a replacement mechanism for regulating greenhouse gases is needed fast - and tackling soot and methane could speed up the payback of such an agreement.

Bringing soot and methane on board, post-Kyoto

Food harvests dragged lower by global warming

Food harvests dragged lower by global warming

Posted Thu, 05 May 2011 18:11:00 GMT by Martin Leggett

Harvests of corn and wheat are already wilting under the rising temperatures seen since 1980, says a team from Stanford University. They publish their study results - which looks at what crop yields would have have been without climate change - today in Science Express. In contrast, rice and soya crops, and US farmers in general, are so far weathering the global warming storm - but that may be about to change.

Food harvests dragged lower by global warming

Europe's climate fate decided by tussle between oceanic currents

Europe's climate fate decided by tussle between oceanic currents

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

A new player in Europe's climate change story, as global warming continues its relentless rise, has been suggested by a paper in today's Nature. The 'Agulhas leakage' of warm salty waters from the Indian Ocean, appears to be increasing, says the study - and that could help prevent the predicted slow-down of the North Atlantic Drift.

Europe's climate fate decided by tussle between oceanic currents

Driest March for 50 years in UK prompts fears of summer drought

Driest March for 50 years in UK prompts fears of summer drought

Posted Wed, 27 Apr 2011 13:07:00 GMT by Laura Brown

A drop in rainfall in March means water companies may be forced to bring in restrictions in the summer. Parts of the country had as little as 2mm of rain last month prompting warnings of potential droughts during the summer months. The dry month has led to a depletion in reservoir levels.

Driest March for 50 years in UK prompts fears of summer drought

Ozone Hole Over the Arctic is of Record Proportions

Ozone Hole Over the Arctic is of Record Proportions

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

The phenomenon of a ''hole'' in the ozone blanket that covers the earth at polar latitudes was first discovered in 1985 by scientists from the British Antarctic Survey. The ''hole'' was a cylinder of the atmosphere, forming over polar regions, where the level of ozone in the atmospheric column was depleted.

Ozone Hole Over the Arctic is of Record Proportions

Geoengineering is a leap from the fire into the frying pan

Geoengineering is a leap from the fire into the frying pan

Posted Sat, 23 Apr 2011 08:47:00 GMT by Martin Leggett

Recent geoengineering conferences have raised the profile of how we might tackle global warming with a Plan B - finding ways to cool the planet down, whilst trying to agree on how to cut those pesky CO2 emissions. But could the Plan B of geoengineering be a dangerous distraction that ultimately locks us into a series of even greater risks?

Geoengineering is a leap from the fire into the frying pan

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

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

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

Sea cow teeth from 50 million years ago are helping scientists to flesh out the climate of the earth during the Eocene, a time when greenhouse conditions reined supreme. Their paper, published today in Science, confirms that very wet conditions extended right down to the tropics, where rainfall rates were much greater than that seen today.

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

Ozone hole's long reach brings climate change to the tropics

Ozone hole's long reach brings climate change to the tropics

Posted Thu, 21 Apr 2011 18:00:02 GMT by Martin Leggett

The ozone hole over Antarctica could be causing the tropics to have wetter summers, increasing flooding and landslide risks, according to recent research published today in Science. A team from Columbia University has found that the ozone hole is helping to shift the jet streams south, making parts of the tropics much rainier than they were before. The results imply it is not just greenhouse gases that can change the climate.

Ozone hole's long reach brings climate change to the tropics

Rapid increase in ice loss from the Canadian Arctic

Rapid increase in ice loss from the Canadian Arctic

Posted Wed, 20 Apr 2011 18:00:00 GMT by Louise Murray

The vast Canadian archipelago of Arctic islands, the territory of Nunavut, covers an area the size of western Europe. New research shows that the melting ice caps and glaciers there play a much greater role in global sea level rise than previously believed - 1mm in only 6 years.

Rapid increase in ice loss from the Canadian Arctic

Arctic coasts slipping away

Arctic coasts slipping away

Posted Sun, 17 Apr 2011 23:00:00 GMT by Louise Murray

A quarter of the Arctic's permafrost coastline is suffering from erosion due to climate change. The impact on settlements, shipping, oil and gas installations and coastal infrastructure is likely to grow. As ice free periods increase due to global warming, there is a direct effect on the fragile polar coastline which is largely composed of frozen permafrost.

Arctic coasts slipping away

Shifting from pasture to sugarcane cools Brazilian cerrado

Shifting from pasture to sugarcane cools Brazilian cerrado

Posted Sun, 17 Apr 2011 17:01:00 GMT by Martin Leggett

Sugarcane in Brazil's cerrado can have a cooling double whammy. It helps to power private transport, with cane ethanol that has fewer greenhouse gas emissions - and now it has been shown to potentially help cool the local climes too. A paper to be published in Nature Climate Change, has measured the effects of switching from other crops and cattle to sugarcane - and the dense thickets of cane are better at reflecting sunlight, and cooling through water loss.

Shifting from pasture to sugarcane cools Brazilian cerrado

Damaged coastal wetlands means bad news for our climate

Damaged coastal wetlands means bad news for our climate

Posted Mon, 11 Apr 2011 18:39:01 GMT by Ruth Hendry

A new World Bank report has found that drainage and degradation of coastal wetlands leads to decreased carbon sequestration and increased amounts of carbon dioxide in the atmosphere. If coastal wetlands are drained, for example to convert the land for agricultural use, they emit large amounts of CO2 into the atmosphere

Damaged coastal wetlands means bad news for our climate

Research casts light on planet's future

Research casts light on planet's future

Posted Mon, 11 Apr 2011 18:03:00 GMT by John Dean

The study of fossilised mollusks could give scientists an invaluable insight into the way the world will respond to climate change. Researchers at Californian university UCLA say that examining the fossils from 3.5 million years ago has allowed them to build a picture of how the world is reacting to current levels of atmospheric carbon dioxide, a key contributor to global climate change.

Research casts light on planet's future

West Antarctica gets warmed from tropics via 'Rossby waves'

West Antarctica gets warmed from tropics via 'Rossby waves'

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

A long train of low-and-high pressure areas, known as Rossby waves, are helping to channel increasing warmth in the equatorial Pacific over to the Antarctic - according to research in Nature Geoscience. That is also producing an increase in warming in Western Antarctica, which contains vast amounts of water locked in its thick ice-caps. Melting here could pump 15 feet of sea-level rise out across the globe.

West Antarctica gets warmed from tropics via 'Rossby waves'

Cities ill-prepared for climate change dangers

Cities ill-prepared for climate change dangers

Posted Sat, 09 Apr 2011 15:19:01 GMT by Martin Leggett

Despite containing half the world's population, and being particularly vulnerable to climate change, most cities are failing to prepare themselves for the anticipated risks. That's the conclusion of a report in this month's Current Opinion in Environmental Sustainability. The author concludes that a short-term pressures are swamping the long-term planning needed to safeguard cities from events such as tidal-flood surges or heat-waves.

Cities ill-prepared for climate change dangers

The world is getting windier

The world is getting windier

Posted Fri, 08 Apr 2011 15:27:00 GMT by Laura Brown

Australian researchers discover the world is getting windier and waves higher. Using five techniques to independently measure the figures, they found the speeds of the fastest winds have increased by around half a percent. The height of the biggest waves has risen by between a quarter and half a percent.

The world is getting windier

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Climate change and permafrost loss

Posted Mon, 24 Mar 2014 06:35:00 GMT by Paul Robinson

Costing 21st Century coastal flooding

Posted Wed, 05 Feb 2014 14:16:00 GMT by JW Dowey

Winners and losers in the great warming!

Posted Fri, 03 Jan 2014 09:55:00 GMT by Dave Armstrong

Remember November? it was HOT

Posted Wed, 18 Dec 2013 08:00:00 GMT by Colin Ricketts

COP19 descends to walk-outs

Posted Thu, 21 Nov 2013 10:16:00 GMT by Colin Ricketts

The players on the Warsaw pitch

Posted Tue, 12 Nov 2013 10:55:00 GMT by Colin Ricketts

Floods connected with Arctic ice loss!

Posted Thu, 31 Oct 2013 07:49:32 GMT by JW Dowey

Sceptic tanks, of the non-thinking variety

Posted Wed, 02 Oct 2013 10:45:00 GMT by Dave Armstrong

IPCC: A final breakthrough?

Posted Sun, 29 Sep 2013 12:10:00 GMT by JW Dowey

Sea change for shore habitats

Posted Fri, 20 Sep 2013 17:20:37 GMT by Paul Robinson

Studies Needed on Arctic Ice

Posted Fri, 22 Feb 2013 13:22:16 GMT by Dave Armstrong

Drought and its consequences on river life

Posted Sun, 09 Sep 2012 17:03:09 GMT by Dave Armstrong

Paleoclimatologists question climate change limits

Posted Fri, 09 Dec 2011 13:59:00 GMT by Dave Collier

The tenth warmest year ever is: 2011

Posted Wed, 30 Nov 2011 19:40:00 GMT by Adrian Bishop

97% of Greenland's surface ice melts in two weeks

Posted Wed, 25 Jul 2012 09:44:30 GMT by Adrian Bishop

Projected California megastorm given added edge by climate change

Posted Tue, 08 Mar 2011 12:00:00 GMT by Martin Leggett

ICTs to help Africa cope with Climate change

Posted Tue, 04 Jan 2011 09:11:16 GMT by Paromita Pain

Huge Antarctic rift provides clues on ice loss

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

Smaller glaciers, not giant ice caps, tipped to push sea levels up

Posted Wed, 12 Jan 2011 10:50:01 GMT by David Hewitt

New farming methods to reduce greenhouse gases and improve yields

Posted Sun, 13 Feb 2011 12:25:00 GMT by Michael Evans