TEOTWAWKI 2.2, Climate Change - Part I

Our environment links us all: and we know that we are doing
immense harm to that natural environment with our human
activities. But where are the weak links? What are the potential
pitfalls for the natural world, and for civilisation? In other
words - if we don't change our ways - what could happen?

We all know that the climate is changing and that humans are
responsible for the vast bulk of the change. (If you disagree, I
really hope you'll listen to this episode, and I'm happy to take
on any questions you might have.) But *why* is climate change
happening, what will it mean for us and what we can do to stop
it?

In this first episode, I will explain the physical science basis
behind climate change: what is a greenhouse gas, what are
feedback loops, and why does it matter that our atmosphere has
gone from 280ppm of carbon dioxide to 400ppm in the industrial
era? 

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