In this video the economist Nicholas Stern discusses the 'economic downturn' and its effect on the climate change agenda.

The economic slowdown has prompted some public and private leaders to question whether the world can afford to address climate change now, while others argue that green investments will stimulate the growth we need. There are thoughtful voices on both sides of the debate. In this exclusive video interview, noted economist Nicholas Stern makes the case for investment.

There is a transcript here.