Archive for November, 2009

Implications for Human Health

Friday, November 27th, 2009

Humans, as part of the web of life, are not immune to events that trigger the extinction of organisms on the profound scale that appears to be currently taking place; and the implications for human health are numerous and diverse. Firstly, there are direct effects: for example, the loss of marine fisheries (over 70 percent [...]

 

Conservation of Natural Resources

Wednesday, November 4th, 2009

Natural resources the wise use of the earth’s resources by humanity. The term conservationcame into use in the late 19th cent. and referred to the management, mainly for economic reasons, of such valuable natural resources as timber, fish, game, topsoil, pastureland, and minerals, and also to the preservation of forests, parkland , watershed areas and [...]