Overpopulation is perhaps the biggest problem facing us, and immigration is part of that problem. It has to be addressed.
David R. BrowerThere are many different kinds of radioactive waste and each has its own half-life so, just to be on the safe side and to simplify matters, I base my calculations on the worst one and that's plutonium.
David R. BrowerPolite conservationists leave no mark save the scars upon the Earth that could have been prevented had they stood their ground.
David R. BrowerYou don't need it, but will you take some advice from a Californian who's been around for a while? Cherish these rivers. Witness for them. Enjoy their unimprovable purpose as you sense it, and let those rivers that you never visit comfort you with the assurance that they are there, doing wonderfully what they have always done.
David R. Brower