![\"Liana](\"/files/green_news/columnist/columnist-liana-grey.jpg\")
As Green and Save's urban planning columnist, Liana explores the latest trends in green building, public transportation, and open space preservation. She manages the blog of a museum dedicated to preserving New York City's social and architectural history, and has written about the sustainable development of cities for the blog and newsletter of an environmental nonprofit.
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The horse-and-buggy era light bulb we still rely on wastes up to 90 percent of the electricity it consumes as heat, burning up hundreds of dollars every year in each American household and increasing air pollution that harms human health and the environment. In 2007, the U.S.
Cities may seem in a constant state of war with garbage - just look at what happened in Naples two years ago when disposal ground to a halt and trash piled up on street corners. Ideally, people would limit the amount of easily disposable goods they consume, but so long as trash is produced at the levels it is now, cities might as well do something with it.
Ten years ago, a group of community advocates approached New York's City Council with a novel idea: why not convert an abandoned elevated railroad track in Manhattan’s meatpacking district into a public park?
