The climate crisis is not a political issue; it is a moral and spiritual challenge to all of humanity. It is also our greatest opportunity to lift global consciousness to a higher level.

The ten hottest years in the atmospheric record, going back only 160 years, have been in the last eleven years.

The golden thread of reason that used to be stretched taut to mark the boundary between the known and the unknown is now routinely disrespected.

A zebra does not change its spots.

Our way of life is at stake, our grandchildren are at stake, the future of civilization is at stake.

The United States is the only nation that can lead the world toward a solution on climate change.

The Pacific Yew can be cut down and processed to produce a potent chemical, taxol, which offers some promise of curing certain forms of lung, breast and ovarian cancer in patients who would otherwise quickly die... It seems an easy choice - sacrifice the tree for a human life - until one learns that three trees must be destroyed for each patient treated.