Anything that's left that's remotely like wilderness should be left strictly alone. We have no business there any more. It's not going to save you to go in and cut the last old-stand forests.

Another thing I find extremely eerie is that when people build a house, they almost exactly get it wrong. They don't just get it partly wrong, they get it dead wrong.

Pollution is an unused resource.

To accumulate wealth, power or land beyond one's needs in a limited world is to be truly immoral, be it as an individual, an institution, or a nation-state.

You won't get cooperation out of a hierarchical system. You get enforced directions from the top, and nothing I know of can run like that.

There is one, and only one solution, and we have almost no time to try it. We must turn all our resources to repairing the natural world, and train all our young people to help. They want to; we need to give them this last chance to create forests, soils, clean waters, clean energies, secure communities, stable regions, and to know how to do it from hands-on experience.

Instead of physicists teaching physics, physicists should go home and see what physics applies to their home.