The new issue of MIT's Technology Review magazine has a profile of Jim Hansen who may be the most respected climate scientist in the world. Hansen (search) currently heads NASA's premier climate-research center, the Goddard Institute for Space Studies. He was the first to highlight the crisis in 1988 and has been accurately predicting the progress of global warming for 25 years. The interview highights his global warming work and the governmental pressure that has come with it. Hansen predicts that if mankind continues to increase emissions of carbon dioxide and other greenhouse gases, global temperatures will rise between two to three degrees Celsius this century. However, he remains optimistic stating that if we move aggressively to cap greenhouse gas emissions (search) now, we can potentially prevent the global climate disaster. Nonethless, we at Ecological Internet feel strongly that global climate change is happening now.