We ought to approach this challenge [of global warming] with a sense of profound joy and gratitude: that we are the generation about which, a thousand years from now, philharmonic orchestras and poets and singers will celebrate by saying, they were the ones that found it within themselves to solve this crisis and lay the basis for a bright and optimistic human future.

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.

ManBearPig, half man, half bear, half pig

If you look at the way all of the new reform movements dedicated to the public interest are living and thriving on the Internet, I do think there is still some considerable hope that the full participation of individuals in that conversation of democracy can once again restore the integrity of the way our democracy works.

I don't have the illusion that there's any position or role in the world with as much potential for bringing about change as that of president of the United States.

I'm not a psychologist, and I don't know how to play a more sophisticated role than the one that I have played for quite a few years, and that is spending a lot of time with these hard-working scientists in the various fields of expertise that relate to the climate crisis, learning as fully as I can the truths they are discovering, asking them to explain it in language that's simple enough for me to understand and then use that language to convey the essence of it, and then letting the chips fall where they may.

Third world nations are producing too many children too fast...it is time to ignore the controversy over family planning and cut out-of-control population growth.