India annually spends Rs 4.5 lakh crore on importing petroleum products, and Transport Minister Nitin Gadkari feels methane is a cost-effective import substitution. But is it? Pallava Bagla examines the pros and cons.
13 out of the world's 20 most polluted cities are in India. Most shockingly, the latest Central Pollution Control Board statistics reveal that the pollution levels in Gwalior, Raipur and even little known Kashipur are higher than that of Delhi which means we have some of the most polluted zones in the world.