Casual Dress Helps The Climate?

The chilean authorities are encouraging men to leave their ties at home during the hot summer months in order to limit air conditioning costs and reduce carbon emissions. It has been estimated if room temperatures are allowed to rise between 1 and 3 degrees Celsius then this could save 3% of energy costs (about $10 million)

http://www.bbc.co.uk/news/world-latin-america-16172476