Gardeners on the roof
Vegetables, flowers to grow atop West Garage in sustainable agriculture exercise
Bras eyes 'intertwined dance' of land, water, plants
Professor returns to MIT to give annual Killian Award lecture
Manufacturing inefficiency
Study sees 'alarming' use of energy, materials in newer manufacturing processes
As planet warms, poor nations face economic chill
Climate change may widen gap between rich and poor, study finds
