30 YEARS AGO January 1990.

"We cannot base sound policy on frenzied efforts to retain the climate of the 20th century. Rather, we must seek accommodation to the forthcoming warming. It does little good, as some environmentalists do, to propose that governmental actions can retain the climate to which we are accustomed. That is like saying that government ukases could have kept us in the age of coal, preventing us from ever tapping the world's wealth of petroleum and natural gas. Instead, we must understand the real threats posed by the greenhouse effect and learn to cope."

T.A. HEPPENHEIMER

"Keep Your Cool"

"Totaling it all up, Georgetown's...