The atmosphere: past, present and future - a podcast by Experience ANU

Are we headed for a geological event horizon?

Dr Andrew Glikson explains how the rise of atmospheric greenhouse gases of 2-3 parts per million CO2 per year has reached an order of magnitude similar to rates associated with mass extinctions of species.

Dr Andrew Glikson, an Earth and paleo-climate scientist, graduated from the University of Western Australia. He has conducted geological surveys of the oldest geological formations in Australia, South Africa, India and Canada, studied large asteroid impacts, including effects on the atmosphere, the oceans and the mass extinction of species.

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