Telegraph: High-rise and glass-facade buildings, poor garbage management and inefficient heating practices have turned urban households into major collective sources of greenhouse gases (GHG), scientists have said after the first assessment of GHG footprints of India's mega-cities. The researchers at the Indian Institute of Science (IISc), Bangalore, have found that urban households account for unexpectedly high proportions of the GHG emissions of cities, with Calcutta's domestic sector at the top, contributing...