Time Magazine: Indolent cows languidly chewing their cud while befuddled motorists honk and maneuver their vehicles around them are images as stereotypically Indian as saffron-clad holy men and the Taj Mahal. Now, however, India’s ubiquitous cows – of which there are 283 million, more than anywhere else in the world – have assumed a more menacing role as they become part of the climate change debate. By burping, belching and excreting copious amounts of methane – a greenhouse gas that traps 20 times …