Environmental Health News

What's Working

  • Garden Mosaics projects promote science education while connecting young and old people as they work together in local gardens.
  • Hope Meadows is a planned inter-generational community containing foster and adoptive parents, children, and senior citizens
  • In August 2002, the Los Angeles Unified School District (LAUSD) Board voted to ban soft drinks from all of the district’s schools

Ehrlich, Anne H.

Human Appropriation of the Products of Photosynthesis

Publication Date:

June 1, 1986


Calculates that humans are appropriating (in 1986) 40% of terrestrial net primary productivity, and 25% of global net primary productivity....

Net Primary Production: Original Calculations

Publication Date:

February 13, 1987


Describes the calculations that underlie calculations of the amount of terrestrial and global net primary productivity appropriated by humans; see document #376 and #559 in the rachel Library....


Net Primary Production: Original Calculations, (PDF, 275 KB)
Syndicate content

Error. Page cannot be displayed. Please contact your service provider for more details. (26)