Thursday, November 29, 2012

World Meteorological Organization Climate Warning

In November, the World Meteorological Association's (WMO) annual Greenhouse Gas Bulletin stated that global CO2 levels are the highest they have ever been in human history, reaching 391 parts per million. Scientists warn that 350 parts per million is the upper limit for a a stable planet.

These levels of CO2 have been steadily rising at about 2 parts per million every year for the past decade. Current measurements of atmospheric carbon are 40% higher than at the start of the Industrial Revolution. The World Meteorological Organization, said that since the dawn of industrialization in 1750, humans have emitted 375 billion tonnes, of carbon dioxide into the atmosphere. The WMO indicates that future emissions will make the situation far worse.

According to WMO Secretary-General Michel Jarraud,"These billions of tonnes of additional carbon dioxide in our atmosphere will remain there for centuries, causing our planet to warm further and impacting on all aspects of life on earth."

Oceans have already absorbed half of the atmospheric carbon, but this is causing the oceans to become more acidic and at a certain point they will not be able to absorb any more CO2.

“We have already seen that the oceans are becoming more acidic as a result of the carbon dioxide uptake, with potential repercussions for the underwater food chain and coral reefs,” said Jarraud. “These billions of tonnes of additional carbon dioxide in our atmosphere will remain there for centuries, causing our planet to warm further and impacting on all aspects of life on Earth.” he said.

© 2012, Richard Matthews. All rights reserved.

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