“Ruin is the destination toward which all men rush, each pursuing his own best interest in a society that believes in the freedom of the commons. Freedom in a commons brings ruin to all.Garrett Hardin
“Imagine a giant asteroid on a direct collision course with Earth. That is the equivalent of what we face now [with climate change], yet we dither.James Hansen
“Burning one hectare of grassland gives off more, and more damaging, pollutants than 6,000 cars. And we are burning in Africa, every single year, more than one billion hectares.Allan Savory
“Take nothing but pictures. Leave nothing but footprints. Kill nothing but time.Motto of the Baltimore Grotto
“Man must feel the earth to know himself and recognize his values.... God made life simple. It is man who complicates it.Charles A. Lindbergh