| A sign of
healing appears in stratosphere
The amount of
harmful chlorine pollution has started to decline in the stratosphere, a
sign that the ozone layer will soon begin its slow recovery from 70
years of chemical assault.
References:
Anderson, J. . .
.J.M. Russell, et al. 1999. HALOE confirmation of stratospheric
chlorine decreases in accordance with the Montreal Protocol. Meeting
of the American Geophysical Union. December. San Francisco.
Further Readings:
Monastersky, R.
1999. Ozone killer confounds expectations. Science News 155(April
3):223.
______. 1996. Drop
in ozone killers means global gain. Science News 149(March
9):151.
Sources:
James M. Russell
Hampton University
Center for Atmospheric Sciences
23 Tyler Street
Hampton, VA 23668
Rodolphe Zander
University of Liège
Physique solaire et atmosphérique
Bât. El Physique solaire et atmosphérique
Avenue de Cointe, 5
4000 Liège
Belgium
From Science
News, Vol. 156, No. 25 & 26, December 18 & 25, 1999, p. 391.
Copyright © 1999, Science Service. |