Huffington Post: Most of us want to do something good for the environment. An easy way is to spend a few dollars buying carbon offsets, perhaps to make us feel less guilty about that long-haul flight we're planning.
Turns out those offsets could be more valuable than we thought.
A study released on Wednesday and led by Imperial College London found that offsetting one tonne of carbon dioxide can bring up to $664 in benefits to the communities where carbon reduction projects are based.
The biggest share comes...