In at least 15 cities, air pollution has now become so bad that the danger to health of simply 30 minutes of cycling outweighs the benefits of exercising altogether, according to new research
Read more: www.theguardian.com
In at least 15 cities, air pollution has now become so bad that the danger to health of simply 30 minutes of cycling outweighs the benefits of exercising altogether, according to new research
Read more: www.theguardian.com