“Nothing is more important to human beings than an ecologically functioning, life sustaining biosphere on the earth. It is the only habitable place we know of in a forbidding universe. We all depend on it to live and we are… — Joseph Guth Copy Share Image
“Nothing is more important to human beings than an ecologically functioning, life sustaining biosphere on the earth. It is the only habitable place we… — Joseph Guth Copy Share Image
