I have an idealistic streak that is increasingly tempered by real world events. So on Sunday I admired the enthusiasm of the hundreds of thousands of people who marched through the streets of Manhattan to sound their concern about climate change and other environmental issues.
I tried not to let this article ruin the good vibes. I tried to put this out of my mind:
The blunt truth is that what China decides to do in the next decade will likely determine whether or not mankind can halt â or at