A sinkhole has formed on the North Lawn of the White House, and predictably, the temptation was too great for many on social media, who filled the void with all the “drain the swamp” jokes and metaphors one could imagine.

But forget the obvious political jabs and the fact that President Trump uses that phrase as a rallying cry about eliminating corruption in Washington: The saying has some geological merit. — The New York Times

London will soon be home to Europe’s largest urban wetland. By 2017, a large chunk of East London’s Upper Lea Valley will be re-wilded, its waters recolonized by reed beds and waterfowl, creating a marshy green chain leading from the built-up inner city out into open fields. By removing drainage from the rims of reservoirs and using fresh stretches of green to patch up a watercourse now truncated by brownfield and private land, the project will create a phenomenal result. — citylab.com

What’s the best place to build a wetland? How about at the site of an old MTA bus lot in South Los Angeles? It took more than $26 million and nearly three years to complete the transformation from parking lot to urban wetland. Open to the public as of February 9, the new South Los Angeles Wetland Park that doesn’t only efficiently process storm water runoff–it also provides crucial community green space. — blog.archpaper.com