We know the Earth is getting warmer. The International Panel on Climate Change predicts a global temperature rise of about 5C by the end of this decade. That’s enough for major changes. Like in rising seawater levels, in food production and rainfall.
Knowing why we are in this fix is the first step to doing something about it. Yes, that’s you and me.
There are four levels at which to understand the cause of global warming.
* The mechanics of global warming
* What we do
* Our beliefs …