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$530 trillion costs for the future, if no effective action on climate change

Inaction on climate change risks leaving future generations $530 trillion in debt, The Conversation., July 19, 2017 By continuing to delay significant reductions in greenhouse gas emissions, we risk handing young people alive today a bill of up to US$535 trillion. This would be the cost of the “negative emissions” technologies required to remove CO₂ from the air in order to avoid dangerous climate change.

These are the main findings of new research published in Earth System Dynamics, conducted by an international team led by US climate scientist James Hansen, previously the director of NASA’s Goddard Institute for Space Studies.

The Paris Agreement in 2015 saw the international community agree to limit warming to within 2°C. The Hansen team argue that the much safer approach is to reduce atmospheric concentrations of CO₂ from the current annual average of more than 400ppm (parts per million) back to 1980s levels of 350ppm. This is a moderately more ambitious goal than the aspiration announced in Paris to further attempt to limit warming to no more than 1.5°C. Many climate scientists and policymakers believe that either the 2°C or 1.5°C limits will only be possible with negative emissions because the international community will be unable to make the required reductions in time…….https://theconversation.com/inaction-on-climate-change-risks-leaving-future-generations-530-trillion-in-debt-81134

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July 21, 2017 - Posted by | 2 WORLD, business and costs, climate change

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