demand response, definition of

The biophysical environment is the symbiosis between the physical environment and the biological life forms within the environment, and includes all variables that comprise the Earth's biosphere.

Wikipedia Entry

• The Chance of Blackouts
  The looming problems with reliability are not just a matter of acquiring new resources too slowly, as the NERC report implies, but also a more daunting problem with procuring new resources that are difficult to quantify and expensive to make reliable...