In ”A Silent Spring in Eastern Europe” (April 26), James Bovard says: ”According to Marxist theory, environmental problems cannot occur in Socialist countries because man and nature are inherently in harmony. Unfortunately, the trees, rivers and air of Eastern Europe do not understand Marx.”

Hey, that’s clever. Or it would be in a college fraternity paper. Where is it from? The Ronald Reagan School of Journalism? Give those of us who have read a bit of Marx’s theories a break. F. O. RICHARDSON Brooklyn, April 26