What keeps me level is the refusal to let the best of human aspirations die in the face of the challenges. I make a moral decision to be hopeful.

It's extremely important that, as writers, we give a voice to those who don't have voices, including the other animals that we share the planet with and the places that are endangered or being lost.

The countries that are the least responsible for causing climate change are paying the heaviest price.

If you have this deep feeling of empathy for the natural world, you feel it so profoundly. It's almost a religious experience. I feel that I could never really say the depth of feeling or connection I feel to the natural world, which has made me.

I like the dance between sustained focus and digression that the long poem invites. A controlling metaphor helps to sustain the long poem.

Earth's immune system - its rapid response team of self-protection - becomes invigorated at times of peril. And one sees it at play now in the upwelling of grassroots work aimed at finding a sustainable future.

I don't know much about death and the sorriest lesson I've learned is that words, my most trusted guardians against chaos, offer small comfort in the face of anyone's dying.