The world is rightly focused on climate change. But if we don't have a strategy for reducing global carbon emissions and preserving biodiversity, we could end up in a very bad place, like in a crazy rush into corn ethanol, and palm oil for biodiesel, without enough regard for their impact on the natural world.
One of hundreds of "vacant" lots in the city of Cleveland that are beginning to be reclaimed by nature. Some areas of the city have a number of green lots that may be consolidated to form a large urban green space or farm.