Soil: Literally And Symbolically The “Ground”

Soils are “living” systems—a combination of ground minerals and organic matter that began to form in the Cambrian Explosion (550 mya) after a mass extinction of life-forms between the Permian and Triassic geologic periods. Today, soils are to the land what plankton are to the oceans—the bottom or ground of the food chain. On average, […]

VI. Climate Change

The History Climate change has a long history. “In the last 650,000 years, there have been seven cycles of glacial advance and retreat, with the abrupt end of the last ice age about 7,000 years ago marking the beginning of the modern climate era—and of human civilization. Most of these climate changes are attributed to […]

The Atmosphere

  A cloud does not know why it moves in just such a direction and at such a speed… It feels an impulsion… this is the place to go now. But the sky knows the reasons and the patterns behind all clouds, and you will know, too, when you lift yourself high enough to see […]