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November 26, 2015
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Tag: Geoengineering

Oceans Would Perish Even If Levels of Atmospheric Carbon Were Reduced

While the “future dramatic removal of huge volumes of carbon dioxide from the atmosphere” could restore greenhouse gas concentrations to pre-industrial levels, the world’s oceans would “stay warmer, and more acidic, for thousands of years, and the consequences for marine life could be catastrophic” unless the burning of fossil fuels is stopped, a team of German researchers warns.

Posted on Aug 6, 2015 READ MORE

Aerosols May Offer Short-Term Lifeline to Corals in Crisis

Reducing the bleaching of corals by blocking the sun’s rays might buy time to keep tropical reefs alive if efforts are increased to halt global warming.

Posted on May 30, 2015 READ MORE

Hope for Carbon Storage Rises Again

American scientists say they are making progress with carbon capture and storage, a process that would help render harmless the chief greenhouse gas.

Posted on Apr 20, 2015 READ MORE

Geoengineering Could Worsen Climate Change

Resorting to geoengineering to tackle climate change would be an admission of failure, UK scientists say.

Posted on Nov 29, 2014 READ MORE

Cutting Emissions Is ‘Perfect Option’

Limiting climate change simply by cutting the use of fossil fuels is a much better option than ambitious bioengineering projects such as trying to limit the effects of the sun, researchers have found.

Posted on Jun 6, 2014 READ MORE

Geo-Engineering ‘Could Mean More Heat’

Using technology to reflect sunlight away from the Earth to reduce global warming could be disastrous, scientists say, because the aftermath could be even more severe heat.

Posted on Feb 21, 2014 READ MORE

Few Would Welcome Geo-Engineering

Research in Australia and New Zealand finds little appetite among the public for trying geo-engineering techniques to prevent global warming.

Posted on Jan 18, 2014 READ MORE

Bryan Pocius (CC BY 2.0)

Reducing Sunlight ‘Will Not Cool Earth’

The beguiling idea that global warming can be moderated by engineering the atmosphere has been given a rebuff by two scientists who found the attempt could disrupt rainfall patterns.

Posted on Dec 8, 2013 READ MORE

UFSWS Pacific (CC BY 2.0)

Putting an Umbrella Over Coral Reefs

The world’s coral reefs are under threat. Some scientists say doses of cloud brightening could solve the problem.

Posted on Aug 12, 2013 READ MORE

Dyntr (CC BY-ND 2.0)

Volcano ‘Did Little to Lower CO2’

Supporters of geo-engineering are disappointed to learn that an Icelandic volcano that threw iron into the nearby ocean did little to reduce long-term atmospheric carbon dioxide levels.

Posted on Mar 22, 2013 READ MORE

tallkev (CC BY 2.0)

Cool Heads Needed by Geo-Engineers

Even if humanity can solve the technical riddles involved in trying to geo-engineer the planet away from dangerous climate change, many legal and ethical questions will still need answers.

Posted on Mar 12, 2013 READ MORE

Obama Considering Radical Solutions to Climate Crisis

The president’s new science adviser tells ABC News, “We don’t have the luxury ... of ruling any approach off the table” in the fight against global climate change. Geoengineering, once the province of science fiction and climate eccentrics, may now be necessary. One approach involves blasting sulfur into the upper atmosphere to reflect the sun’s rays.

Posted on Apr 9, 2009 READ MORE

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