Many Buddhist leaders have written and spoken in support of environmental protection. Locally Kritee (Kanko) has beautiful teachings as well as presentations available.
Wisdom, from Ecological Buddhism, A Buddhist Response to Global Warming
The Earth as Witness: International Dharma Teachers’ Statement on Climate Change “Aware of the suffering caused by the destruction of life, I undertake to cultivate compassion and learn ways to protect the lives of people, animals, plants, and minerals. I am determined not to kill, not to let others kill, and not to condone any act of killing in the world, in my thinking, and in my way of life.”
Reverence for Life:
Statements by various Buddhist scholars, including spiritual leaders and Patriarchs
Excerpt from Ancient Wisdom, Modern World: Ethics for the New Millennium – The Fourteenth Dalai Lama
Buddhist Teachings on the Environment – slides from Dr. Stephanie Kaza, GreenFaith’s Buddhist Scholar in Residence
Reverence for Life –Thich Nhat Hanh
Collection of the Fourteenth Dalai Lama’s statements on the environment.