Atmospheric CO2 concentrations rising at fastest rate ever seen

Categories: Big picture
Published on: December 9, 2016

RobertScribbler.com / 08 December 2016

During the Miocene of 14-16 million years ago, atmospheric CO2 levels, which had hovered around 400 parts per million for about 10 million years jumped higher due to volcanic activity. Global temperatures rose from about 2-3 C hotter than Holocene values to around 4 C hotter. Antarctic ice melted and seas which were around 60 feet higher than today lifted to around 130 feet above present day levels.

By continuing to burn fossil fuels, this is the climate context we enter more and more. It is why, for example, we are seeing so many impacts from expanding droughts, to declining ocean health, to more extreme weather, to rapidly destabilizing glaciers in Antarctica. And it is this burning along with a related warming of the Earth System that is causing atmospheric carbon values to jump so rapidly into ranges to which we are unaccustomed.

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