Indo-Asian News Service: Winter wear hardly got out of cupboards this year in West Bengal, as it never really got cold. Environmental experts feel a blanket of pollutants in the air, called the Asian Brown Cloud, could be responsible for the climate change. “For the past few years we have not been experiencing winter in West Bengal. This environmental change is caused by the formation of the Asian Brown Cloud,” environmentalist Pranabesh Sanyal, who is also a member of the World Conservation Union, told …