Action Quote by James Hansen

We have at most ten years—not ten years to decide upon action, but ten years to alter fundamentally the trajectory of global greenhouse emissions.

— James Hansen

The pace of global warming is accelerating and the scale of the impact is devastating. The time for action is limited - we are…

— Eliot Spitzer

Is it 10 years, 20, 50 before we reach that tipping point where climate change becomes irreversible? Nobody can know. There's clearly a probability…

— Vinod Khosla

But we are almost certainly going to miss our [global warming] deadline. We cannot get the 10 lost years back, and by the time…

— Gwynne Dyer

I think we have a very brief window of opportunity to deal with climate change... no longer than a decade, at the most.

— James Hansen

...we have got to deal with increased demand for energy, increased demand for food, increased demand for water, and we've got to do that…

— John Beddington

The climate is nearing tipping points. Changes are beginning to appear and there is a potential for explosive changes, effects that would be irreversible,…

— James Hansen

Humanity is sitting on a time bomb. If the vast majority of the world's scientists are right, we have just ten years to avert…

— Al Gore

We don't have a hundred years to fix climate change. We don't have a hundred years to wait until we've built all these bridges…

— Katharine Hayhoe

“Climate crisis presents nearly unfathomable urgency because of what scientists call “tipping points” – climate tripwires, so to speak. These thresholds, caused by human…

— Mary Christina Wood

We have 20 years [until 2026] to reduce carbon emissions or climate change will become irreversible.

— Hans Joachim Schellnhuber

We have got a very short time to turn climate change around otherwise we will all die.

— Franny Armstrong