We don't need to clear the 4 to 6 percent of the Earth's surface remaining in tropical rain forests, with most of the animal and plant species living there.

Common sense is merely unaided intuition, and unaided intuition is reasoning performed in the absense of instruments and the tested knowledge of science. Common sense tells us that massive satellites cannot hang suspended 36,000 kilometers above the one point on the earth's surface, but they do.

Humanity needs a vision of an expanding and unending future.

Jungles and grasslands are the logical destinations, and towns and farmland the labyrinths that people have imposed between them sometime in the past. I cherish the green enclaves accidentally left behind.

I think we will make it. Because one quality people have - certainly Americans have it - is that they can adapt when they see necessity staring them in the face. What to avoid is what someone once called the definition of hell: truth realized too late.

Biophilia: the innate pleasure from living abundance and diversity as manifested by the human impulse to imitate Nature with gardens.

All three of the Abrahamic religions were born and nurtured in arid, disturbed environments.