The first zero waste, zero carbon emission city is to be constructed in Abu Dhabi, UAE. Masdar City, a $22 billion complex designed by Sir Norman Foster + Partners, will be kicked off with the completion of a mixed-use positive energy headquarters building, the first of its kind in the world.

The EPA estimates that 10% of the nation's air pollution is caused by lawn equipment such as chain saws, lawn mowers, golf carts, blowers and weed whippers. 5% can be contributed to lawn mowers alone. More fuel is spilled each year by Americans topping off their lawn equipment than was spilled by the Exxon-Valdez.