Climate Change: The Ultimate WMD

Tom Engelhardt at billmoyers.com (originally at TomDispatch) explains how all the efforts to avoid the world's major national powers' use of nuclear, biological and/or chemical weapons in wars, wars which would unleash "nuclear winter" or worse, are in vain... if those same major nations extract and burn all the fossil fuels to which they (most certainly including the US) have access.

We are close enough to a tipping point that it may already be impossible to stave off significant global climate change in the coming century... but there seems to be insufficient political will to quite literally save the planet. 

The basics of global climate change

This is really fairly simple, outright do-or-die. And so far... we aren't doing.