emissions trading set for failure.

[king1]

it is important to make the distinction between climate changes we can't control (asteroid impacts, solar cycles etc ) and the ones that we can...

Take that hole in the ozone layer for example, we caused the problem over decades with the use of CFCs, eventually figured out it was mankind that did it and acknowledged the responsibility, then we set about undoing what we caused.

It is still there now but well down in size now from when it peaked in 2006