In domestic news, air pollution readings rose in Beijing last night despite fewer fireworks celebrations and improved weather conditions earlier in the week, The Beijing News reports.
We humans are subject to hyperbolic discounting, not taking full account of long distant future costs for current pleasures, sometimes those running the public health system really do know more than us, there are externalities associated with these behaviours (late night drunks, passive smoking and the visual pollution of someone 300 lbs overweight perhaps).