Buffalo’s plan to turn part of an expressway into a tunnel covered by green space got funded, and then got controversial.

The Erie Canal had opened in upstate New York in 1825, providing the first navigable waterway linking the Atlantic Ocean and the Great Lakes. The canal ran 363 miles between Albany on the Hudson River ...

A battle over plastic—a material so prolific the UN calls the 90 percent of it that ends up as trash a pollution crisis—is under way in Florida. Coral Gables, a small city of 51,000 people ...