06 May, 2016

Sulfur injections into atmosphere raise debates

Use of solar shades is a proposed approach to the mitigation of global warming. By intentionally changing the Earth's reflectivity scientists propose that we could reflect more heat back out into space. But every coin has a reverse side.

Recent studies showed that injecting sulfur compounds into the atmosphere – one of the main ways to cool off the planet – can destroy the Arctic ozone layer and hinder recovery of the Antarctic ozone hole by about 70 years.

On the other hand, it is not so bad as it painted. Another study suggests that recovery of the ozone hole over Antarctica will modify climate in the Southern Hemisphere and even worsen Antarctic warming. While the world faces rising temperatures, there has been cooling in the interior of Antarctica in summer, which is ascribed to the depletion of ozone overhead.

Read the Pravda.ru story - “Sulfur injections into atmosphere raise debates.”

(It’s distressing that geoengineering is even a subject attracting serious discussion – its consequences are unknown; we don’t truly understand the science of many proposed ideas; and who decides what will be done, where and to what extent.

Maybe, we should first try living a more restrained life; consume less; cut our energy use; and opt for de-growth, all matters that can only happen with hitherto unseen leadership and dramatic changes to the governance processes of the world community, changes that unquestionably demand that we step back from the prevailing ideology of capitalism – Robert McLean.)

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