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Updated 11 November 2004

Consequences Vol. 1, No. 2, Summer 1995
 

 

 

 

 

 

 

 



Contents of Volume 1,
Number 2
(Summer 1995)

Editorial

Global And U.S. National Population Trends

by Carl Haub

An unprecedented 5.8 billion people now live on the Earth, and in about 10 more years there will be 6.8 billion, with almost all the growth in the less developed countries. The U.S. is the most populous and rapidly growing of the more developed nations, in part through immigration; each year it adds about 2.5 million people--the equivalent of another San Diego.

Impacts of a Projected Depletion of the Ozone Layer

by Frank R. de Gruijl

The growth of ozone-depleting substances in the stratosphere has now been slowed, but increasing ozone losses are predicted through the end of the present decade, with a gradual recovery in the 21st century. Throughout this time health hazards will persist, although what is known of these and other deleterious effects of enhanced ultraviolet radiation is far from complete.

Potential Impacts of Climate Change On Agriculture And Food Supply

by Cynthia Rosenzweig and Daniel Hillel

Computer models that include the direct effects of enhanced CO2 on plant growth predict that global greenhouse warming will generally benefit agriculture in the U.S., Canada and Australia, while diminishing agricultural productivity in the lower latitude, developing countries that can least afford it.

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