29 January, 2007 - Published 17:08 GMT
McGrath's Myths
The first of four major global warming reports is due to be published later this week as the world's top experts in the field meet in Paris.
The World Today got an expert of our own to answer some of your questions about the environment and the future of the planet.
He's our Science correspondent, Matt McGrath and he'll be responding to your queries all this week on the programme.
First broadcast 29th January 2007