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Posts published by “Bourtai Hargrove”

The perils of solar radiation management

[Continued from the article of the same title in the March issue] Solar Radiation Management (SRM) affects the planet unequally. Positive affects could occur in one geographic area and negative affects in another. In 2008, Alan Robock, a prominent critic of solar geoengineering and his colleagues published a study in…

The perils of solar radiation management

  Overwhelmed by the rapidity of human-caused climate change, the dire implications of feedback loops like methane and CO2 release from thawing permafrost, and the utter failure of world governments to make the steep greenhouse gas emissions cuts necessary to keep global warming below 2 degrees C, scientists are paying…

Climate tipping points: Do we still have time?

Those of us who read James Hansen’s Storms of My Grandchildren years ago have been haunted ever since by the vision of “tipping points” that would take climate change beyond human control. The term “tipping points” as used in climate science means the critical point in an evolving system beyond…

The carbon bombs that threaten our children’s future

Bourtai Hargrove The amount of heat-trapping carbon dioxide in the air jumped dramatically in 2012, said Pieter Tans, who leads the greenhouse gas measurement team for the National Oceanic and Atmospheric Administration. The increase is due to ever-rising fossil fuel burning in the developed world as well as in China.…

Climate crisis is more imminent and more severe than predicted

  Climate change is happening with a rapidity scientists did not predict—the Arctic is melting faster, sea level is rising faster, and Co2 levels are fast approaching the point where the world will not be able to restrict global warming to the 2 degrees Celsius (C) that scientists warn is…

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