“If we do it right,” Gehry said at an event in September, “we can really make the High Line look like a little pishy thing.” Given that Manhattan’s elevated park, at merely 1/35th the length of the river, has helped transform the surrounding neighborhood into a playground for the rich, residents of LA’s river-adjacent communities are right to be concerned. — thenation.com

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