There's always the danger that people will simply sign online petitions, the way they used to just mail in checks, and there's the greater possibility we'll just spend our whole lives staring at screens and never get anything done.

Our weird problem is an abundance of resources and a shortage of hard economic reasons not to use them.

According to new research emerging from many quarters that our continued devotion to growth above all is, on balance, making our lives worse, both collectively and individually

So far the earth has warmed about a degree Fahrenheit globally averaged. That doesn't seem like an enormous amount but it's unlike what we would have expected twenty years ago.

The thing about global warming is that you can address it on a great number of levels - in fact you have to.

In reality, climate change is actually the biggest thing thats going on every single day.

There is a tendency at every important but difficult crossroad to pretend that it's not really there.