I think we ultimately ought to look to put all uranium enrichment and fuel reprocessing, if any is done, under multinational control. Those are the two technologies by which nuclear energy can be translated into nuclear weapons programmes.

When I need to see the president, I make a request directly to his scheduler. I don't have to ask anybody's permission to see the president except the president. Some weeks, I see him multiple times. Some weeks, I don't see him at all.

I don't like the term 'global warming,' because it's misleading. It implies something that's mainly about temperature, that's gradual, and that's uniform across the planet. And in fact, temperature is only one of the things that's changing.

My understanding is that Exxon, in particular, did fund a variety of small think tanks to generate what amounts to propaganda against understanding of what climate change was doing, the human role in causing it.

I certainly know that the NDP and the Liberals talk about understanding climate science; they just haven't put forward anything that suggests they actually understand it.

Acting was not on my agenda. It just happened by chance. I always wanted to be involved in wildlife protection or maybe surrounded by kids. I love animals and children.

If the movie had ended in Hollywood fashion, the Copenhagen climate conference in 2009 would have marked the culmination of the global fight to slow a changing climate.

On the environmental front there's concern about global warming and high levels of carbon dioxide, and trees take in CO2 and store carbon.