For decades, federal law only covered waters deemed navigable under the Rivers and Harbors Act of 1899.

WSJ: Federal Offenses: Sewage Blunder Earns Building Engineer a Criminal Record

For instance, sea ice is predicted to increasingly shrink as a result of climate change: the late-summer Arctic sea ice may vanish almost entirely by the middle of the century, triggering unprecedented maritime challenges, with an increase in shipping and oil and gas exploration in high-latitude waters previously covered in ice.

UNESCO: Building the Wealth of Nations

Each chinampa is a rectangular platform typically about 6m wide by 91m long, covered in mud obtained from the surrounding shallow waters and fertilised by their nutrients.

BBC: Finding farms, and solitude, in Mexico City

Forested mountains cascade down to the lake shore, the mist-covered peak of Mount Nkungwe rises up in the background and crystal-clear waters teeming with fish lap against white sand coves.

BBC: Search the