. >> and that was gwynne dyer. your response?ean, from someone like gwynne dyer, it reflects the anxiety about global warming and the refusal of the world to respond to it in a significant way. he is extremely well-motivated and i i have a lot of respect for him. you notice he said short-term intervention. the idea is we buy time until we get it right. either technologically or politically. of course, the problem with geo-engineering is that the short-term will become long term. if you have the american enterprise institute, the cato, the heartland institute, and already some conservative politicians saying you should go down the geo-engineering route -- like the president? >> i do not know if they're involved in it,, but it is right up there. billionaire investor and the canadian oil stands, he is involved. >> and the tar sands. >> he is invested in the tar sands. he is also put money into a company called carbon engineering, owned by david keith, the scientist we saw and in which bill gates has an investment. the reasons why th