Aids Quote by Martin Rees

Global warming is controversial, of course, but the controversy is mainly over whether human activity is driving it.

— Michio Kaku

Climate change is a controversial subject, right? People will debate whether there is climate change... that's a whole political debate that I don't want…

— Andrew Cuomo

The debate is over. The scientific community has spoken in a virtually unanimous voice. Climate change is real. It is caused by human activity.

— Bernie Sanders

Global warming competes with cancer and competes with AIDS for a finite amount of money. Nobody ever won that fight by saying: My issue…

— Patrick Michaels

The debate is settled. Climate change is a fact.

— Barack Obama

It should simply be an empirical matter whether the climate is changing or not and whether we're responsible. But the various sides of the…

— Ian Mcewan

The attacks on global warming are no different than the attacks the cigarettes companies used to use to say that cigarettes don't cause cancer.

— Leonard Mlodinow

Cigarette smoking is a significant contributor to global warming!

— Al Gore

There is no debate about whether or not climate change is happening. We will deal with it as a challenge. But we also take…

— Justin Trudeau

When we think about lung cancer, the biggest environmental factor is without doubt smoking. Um, that would make a huge impact and has made…

— Laurie Glimcher

A lot of people are listening and most people believe global warming is a problem and they'd like to see it addressed. But governments…

— John H Richardson

Global warming is a political issue. It is as much a political issue to the left as abortion is. It's as big a political…

— Rush Limbaugh