In 1970, as a senior writer for Sports Illustrated, Mr. Boyle was among the first journalists to report that North American fish were contaminated with toxic polychlorinated biphenyls, or PCBs. He also sounded an early alarm about global warming in his articles 30 years ago.
In 1980, the settlement of a suit brought by several environmental groups against utility companies and government agencies led to the formation of the Hudson River Foundation, a research organization endowed by acknowledged polluters. Mr. Boyle’s Fishermen’s Association had proposed such a group years before.
He was also an ardent foe of Westway, the proposed $2 billion highway in Manhattan that would have tunneled under a man-made park on the Lower West Side. The plan was ultimately scuttled in 1985 after a court ruled that the project might have doomed the river’s striped-bass population.
“Allowing Westway to be built would be to fire a torpedo at Noah’s…