But, if anthropogenic global warming exists, then both science and technology have fingered the most likely culprits - the so-called Greenhouse gases.
The greenhouse effect is a quintessentially global issue - fine, we'll deny that global warming exists.
There is no overwhelming evidence that global warming exists as a man-made phenomenon.
There is no clear-cut evidence that global warming even exists.
Even with scientific facts and statistics that global warming exists, there are still groups that disagree that our environment is changing.
Also In 2005, he told The New York Times that "global warming exists, and we have to do something about it."
If discredited ideas are thus always included, it should surprise no one that doubt about global warming still exists in the public mind.
"If you turn on the local forecast, you wouldn't necessarily know that global warming exists," she said.
Solid science clearly shows that global warming exists and that the administration's drill, dig and burn approach will only make it worse.
But since this administration won't acknowledge that global warming exists, the chances of leadership seem minimal.