Bill McKibben

"Every choice we make sends a signal about the kind of world we want to live in."

"Science is our best tool for understanding the world, but wisdom is our best tool for changing it."

"We need to fall in love with the world before we can save it."

"The fight for climate justice is the great moral struggle of our time."

"We have one planet. We need to act like it."

"The strength of a movement lies in its ability to inspire others."

"We cannot buy our way out of this crisis. We must change our way."

"Patience is not passivity. It is the ability to persist through difficulty."

"The measure of our success will be whether we leave our children a habitable planet."

"We need to move from what is convenient to what is necessary."

"The most important work is the work of imagination and belief."

"We are in a moment of profound choice about what kind of species we want to be."

"Gratitude for what we have is the first step toward protecting it."

"The future belongs to those who can imagine it."

"We need to build a culture where living well means living sustainably."

"Despair is a luxury we cannot afford. Action is our only option."

"The greatest power we have is the power of our choices."

"We must learn to live with less so that others can live at all."

"The work of love in the world is the only work worth doing."

"We need to be realistic about the problem and optimistic about the solution."

"Adventure awaits those who dare to imagine a different future."

"The strongest movements are built on the strongest relationships."

"We are the generation that will determine if the world continues as we know it."

"Health is not just personal. It is planetary."

"The history of our species is the history of our choices."

"We need to recover a sense of humility about our place in nature."

"Every person has the power to change the world in small ways."

"Beauty is the gift we inherit and the responsibility we bear."

"The art of living well is learning to live within the limits of the earth."

"The great thing about being alive is that you get to try to matter."