Climate Change and Asthma

A new posting on About.com's asthma page suggests that global warming is exacerbating asthma for sufferers:

Research suggests that these changes might be contributing to an increased incidence and severity of asthma and asthma symptoms. Not a great combination, is it? For the first time, new asthma treatment guidelines released during the summer encourage health professionals to seek out environmental influences on asthma control.