20 years ago on 23 June, 1987, James Hansen, an eminent climatologist at NASA warned of a point of no return regarding climate change, a "tipping point". This year he speaks again on the subject. A recent article published in EOS, a newsletter from the American Geophysical Union shows the Arctic Ice sheet is melting faster than ever and may be ice-free in the summers in a few years: Arctic_sea_ice_plummets.pdf
Here is a PDF of his latest warning: Global Warming Twenty Years Later: Tipping Points Near: Tipping_Points_near.pdf
Here is a recent interview with him:
We really need to demand of our political leaders to do more than talk, to implement the changes necessary to avoid catastrophic climate change... if that's even possible at this point.
Peace,
Grant
Here is a PDF of his latest warning: Global Warming Twenty Years Later: Tipping Points Near: Tipping_Points_near.pdf
Here is a recent interview with him:
We really need to demand of our political leaders to do more than talk, to implement the changes necessary to avoid catastrophic climate change... if that's even possible at this point.
Peace,
Grant
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