In the waning days of the Bloomberg era, environmental and social responsibility have given way to economic development and developer subsidy. Such is the case, at least, in Flushing Meadows-Corona Park, where a new soccer stadium is planned.
May 8, 2013 The New York Times
The DC United soccer team has identified a few small urban sites in the Washington D.C. area to build a possible new stadium. The density and urbanity of these sites virtually guarantees a "very urban stadium", according to this post.
Jan 27, 2011 Greater Greater Washington