Bill McKibben

"The inspiration we need comes from frontline communities leading the way."

"Real relationships are built on shared values and shared action."

"Success is measured not by wealth but by what we leave behind."

"Death of species is happening at an alarming rate we must reverse."

"Happiness comes from knowing you're part of something larger than yourself."

"The wisdom of indigenous peoples must guide our environmental policies."

"Life is precious and depends on the systems we're destroying."

"Money spent on fossil fuels is money spent destroying the future."

"Peace with nature is the only peace worth having."

"We must abandon the mythology of unlimited growth."

"The great thing about the internet is it allows you to reach billions of people. The terrible thing about the internet is that it allows billions of people to reach you."

"We are in a race between education and catastrophe."

"The work ahead requires us to imagine a different kind of future, one where we live within the bounds of this planet."

"Climate change is no longer about the future. It is about right now."

"We need to get our minds around the fact that we are the problem."

"The most important thing we can do is to tell the truth about the state of the world."

"Hope is not blind optimism. It is rooted in the idea that if we work hard enough, change is possible."

"We have all the solutions we need. What we lack is political will."

"The fight against climate change is fundamentally a fight for justice."

"We cannot solve a problem we refuse to acknowledge."

"Every ton of coal burned sends carbon into the atmosphere that will warm the planet for centuries."

"The most important battle is the one for people's hearts and minds."

"We need to move beyond incremental change to transformative action."

"The paradox of our time is that we have more information than ever, yet we seem less informed."

"Community is the answer to most of what ails us."

"We must learn to think like a mountain, as Aldo Leopold said."

"The future is not something that happens to us. It is something we create."

"Fear is the enemy of clear thinking about the future."

"We are running out of time, but time is what we make of it."

"The most radical thing we can do is tell the truth."