German coalition at loggerheads over global warming test

CLIMATE SCIENCE

Germany OKs Atlantic global warming experiment
Germany dropped its opposition Monday to a controversial experiment to dump iron sulphate in the South Atlantic to see if it can absorb greenhouse gases and possibly help to halt global warming. "After a study of expert reports, I am convinced there are no scientific or legal objections against the ... ocean research experiment LOHAFEX," Research Minister Annette Schavan said in a statement. "I have therefore decided ... to begin the experiment," she added. Berlin had previously been cool to the expedition which set sail from Cape Town in South Africa on January 7 and is poised to drop six tonnes of the dissolved iron over 300 square kilometres (115 square miles) of ocean. Environment Minister Sigmar Gabriel reportedly told Schavan in a letter that the experiment "destroys Germany's credibility and its vanguard role in protecting biodiversity." Scientists on board the Polarstern research vessel hope the release of iron will cause an exponential growth in phytoplankton, which will then absorb more carbon dioxide -- the main greenhouse gas -- through photosynthesis. But opponents of the plan fear the consequences could be catastrophic. They are concerned it could cause the sea to become more acidic or trigger algal blooms that would strip swathes of the ocean of oxygen. Once written off as irresponsible or madcap, geo-engineering schemes such as LOHAFEX are getting a closer hearing in the absence of political progress to roll back the greenhouse gas problem. Other, far less advanced, projects include sowing sulphur particles in the stratosphere to reflect solar radiation and erecting mirrors in orbit that would deflect sunrays and thus slightly cool the planet. Green groups worry that such projects could cause more problems than they resolve. They also say these schemes' financial cost is unknown -- and possibly cost far more than reducing emissions in the first place.

by Staff Writers
Berlin (AFP) Jan 26, 2009
Germany's coalition government on Monday was at loggerheads over plans to dump iron sulphate in the South Atlantic to see if it can absorb greenhouse gases and help stop global warming.

The Social Democrat-led environment ministry issued a statement criticising the Christian Democrat-led research ministry's earlier decision to approve the controversial experiment.

The public nature of the row is seen as a sign of deteriorating relations between the two ruling parties ahead of September general elections.

Research Minister Annette Schavan, who is a member of the CDU, gave the test the green light Monday saying "after a study of expert reports, I am convinced there are no scientific or legal objections against the... ocean research experiment LOHAFEX."

However, a spokesman for the environment ministry, whose head Sigmar Gabriel is a member of the SDP, later said in the statement that the ministry "regrets the decision" to approve the LOHAFEX test.

An expedition set sail from Cape Town in South Africa on January 7 and is poised to drop six tonnes of the dissolved iron over 300 square kilometres (115 square miles) of ocean.

Gabriel had reportedly told Schavan in an earlier letter that the experiment "destroys Germany's credibility and its vanguard role in protecting biodiversity."

Scientists on board the Polarstern research vessel hope the release of iron will cause an exponential growth in phytoplankton, which will then absorb more carbon dioxide -- the main greenhouse gas -- through photosynthesis.

But opponents of the plan fear the consequences could be catastrophic. They are concerned it could cause the sea to become more acidic or trigger algal blooms that would strip swathes of the ocean of oxygen.

Once written off as irresponsible or madcap, geo-engineering schemes such as LOHAFEX are getting a closer hearing in the absence of political progress to roll back the greenhouse gas problem.

Other, far less advanced, projects include sowing sulphur particles in the stratosphere to reflect solar radiation and erecting mirrors in orbit that would deflect sunrays and thus slightly cool the planet.

Green groups worry that such projects could cause more problems than they resolve. They also say these schemes' financial cost is unknown -- and possibly cost far more than reducing emissions in the first place.

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CLIMATE SCIENCE

Obama to world: we will lead on climate change

Washington (AFP) Jan 26, 2009
US President Barack Obama Monday vowed to lead the world on climate change as he set about shredding Bush administration global warming policies with new domestic measures designed to force the development of fuel-efficient cars.

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