Best of 1991: Environment

1 ANTARCTICA TREATY

Believe it or not, the White Continent has already been fouled by oil spills and garbage dumps, but efforts are under way to prevent further damage. All but two of the 26 nations that jointly set policy on Antarctica, including the U.S., agreed on a treaty that will ban mining and mineral exploration on the continent for at least 50 years.

2. JOHN SUNUNU'S RESIGNATION

The White House chief of staff was notorious for his hostility to environmentalists and their agenda. If it was good for the earth but bad for business, Sununu's opposition generally persuaded the President...