Acknowledge Quote by Elizabeth Kolbert

Our planet is changing in ways that will have profound impacts on all of humankind.

— Barack Obama

I believe that worrying about the problems plaguing our planet without taking steps to confront them is absolutely irrelevant. The only thing that changes…

— Jody Williams

The planet will adapt to anything. Maybe we should start to use the heart and the brain that we've been given to organize ourselves.…

— Guy Laliberte

Until humanity manages to sort itself out and get a co-ordinated view about the planet, it's going to get worse and worse.

— David Attenborough

Humankind has suddenly entered into a brand new relationship with our planet. Unless we quickly and profoundly change the course of our civilization, we…

— Al Gore

I do not believe that our relationship to the earth is liable to change for the better until it gets catastrophically worse. Our record…

— Joseph Sittler

And we are beginning to hear the groaning from our tortured planet. We are at a point when we must realize that if we…

— Masaru Emoto

I don't see this planet being... they're talking about how they're turning around the environmental problems here, but I think it's already too late.

— Ace Frehley

“We urgently need to either start increasing the size of our planet, or stop increasing the size of our population.”

— Mokokoma Mokhonoana

21st Century choice: Look after our planet and it will look after us, or don't and face the consequences

— Phil Harding

We will have to leave this planet, and we're going to leave it, and it's going to make this planet better.

— Jeff Bezos

First, I worry about climate change. It's the only thing that I believe has the power to fundamentally end the march of civilization as…

— William J. Clinton