The planet is in distress and all of the attention is on Paris Hilton.

The symbolism - and the substantive significance - of planting a tree has universal power in every culture and every society on Earth, and it is a way for individual men, women and children to participate in creating solutions for the environmental crisis.

Political will is a renewable resource, and everyone can have it in abundance if they so choose.

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

Someone who expresses a view that is contrary to the view of the overwhelming majority should be allowed to stand undisturbed as a monument to our commitment to free speech.

I am a passionate advocate of getting special interest money out of politics.

Adopting a central organizing principle means embarking on an all-out effort to use every policy and program, every law and institution, to halt the destruction of the environment.