Graph of the Day: Mid-tropospheric Carbon Dioxide, Sep 2002 – Jul 2008

This visualization is a time-series of the global distribution and variation of the concentration of mid-tropospheric carbon dioxide observed by the Atmospheric Infrared Sounder (AIRS) on the NASA Aqua spacecraft. For comparison, it is overlain by a graph of the seasonal variation and interannual increase of carbon dioxide observed at the Mauna Loa, Hawaii observatory. […]

Koalas to starve as the world warms

AAP — Koalas are highly vulnerable to climate change and face starvation, a leading conservation group has warned. The koala – an Australian icon known the world over – has made it on to a global list of 10 well-known species threatened by climate change, along with the fish that inspired the cartoon character, Nemo. […]

Acidification irreversible ‘on timescales of tens of thousands of years’

By 2050, ocean acidity could increase by 150 percent. This increase is 100 times faster than any change in acidity experienced in the marine environment over the last 20 million years. By Nanet Poulsen 14/12/2009 06:10 The secretariat of the Convention on Biological Diversity (CBD) released Monday a major study in collaboration with the UNEP […]

Fishermen say carbon dioxide having ‘really scary’ ocean effect

By Daniel Whitten Jeremy Brown, a fisherman from the Pacific Northwest, is pulling things from the ocean he says are so disturbing that he came to Washington to warn U.S. lawmakers about it. “This is not overfishing, this is something far larger,” said Brown, one of 10 people who met with lawmakers and legislative aides […]

Coral climate crisis puts 250 million at risk: U.N.

By David Fogarty, Climate Change Correspondent, AsiaCOPENHAGENSat Dec 12, 2009 3:48pm EST COPENHAGEN (Reuters) – More than 250 million people risk losing their livelihoods because of dying tropical coral reefs in what a senior U.N. environmental economist said on Saturday was part of a double climate crisis facing the world. “We forget that there are […]

Ocean acidification rates pose disaster for marine life, major study shows

Report launched from leading marine scientists at Copenhagen summit shows seas absorbing dangerous levels of CO2 By Severin Carrellwww.guardian.co.uk, Thursday 10 December 2009 10.52 GMT The world’s oceans are becoming acidic at a faster rate than at any time in the last 55m years, threatening disaster for marine life and food supplies across the globe, […]

Warming rescue plan doomed, report warns

By ADAM MORTONDecember 5, 2009 THE world has little chance of avoiding at least two degrees of global warming this century – the projected threshold for unpredictable and accelerated climate changes – if the emissions targets proposed by rich nations are locked in at next week’s Copenhagen summit, an analysis has found. A report by […]

Graph of the Day: Annual Carbon Flux from Land-Use Changes, 1850-2000

Annual emissions of carbon from changes in land use (Note P = 1015).20 Virtually all of the carbon released to the atmosphere from land use changes now comes from the tropics. Tropical deforestation, including logging and the permanent and temporary conversion of forests to croplands and pastures, releases about 1-2 PgC/yr. This is 15-35% of […]

Nobel expert: Global warming causing Irish floods; ‘We have reaped what we have sown’

By PATRICK REYNOLDS, www.IrishCentral.com Staff WriterPublished Friday, November 27, 2009, 9:23 PMUpdated Friday, November 27, 2009, 10:44 PM Ireland’s massive flooding has almost certainly been the result of climate change, says Nobel Prize-winner and Ireland’s leading climatologist, Prof. John Sweeney. “We have reaped what we have sown,” he said. Devastating floods  have swept large parts […]

Graph of the Day: Anthropogenic Carbon Uptake Rate, 1765 – 2008

This graph shows the uptake history over the industrial era (ad 1765 to ad 2008) computed from the time-varying inventory. (The corresponding space- and time-varying change in surface disequilibrium of CO2 driving this uptake is also estimated by our inversion method.) There has been a sharp increase in ocean uptake since the 1950s in response […]

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