Challenged by the naturalist, Obama says: "We're not moving as fast as we need to and part of what I know from watching your programmes, and all the great work you've done, is that these ecosystems are all interconnected. If just one country is doing the right thing but other countries are not, then we're not going to solve the problem, we're going to have to have a global solution to this.
Sounds like an interesting interview, it's a shame I can't seem to find the video anywhere online.