Chemicals that eased one environmental problem may worsen another
Tuesday, March 16, 2010 - 23:28
in Earth & Climate
Chemicals that helped solve a global environmental crisis in the 1990s -- the hole in Earth's protective ozone layer -- may be making another problem -- acid rain -- worse, scientists are reporting. A new study analyzes the effect of chemicals that replaced the ozone-destroying chlorofluorocarbons once used in aerosol spray cans, air conditioners, refrigerators, and other products.