Behind the Ozone Garden: Ozone, Climate Change, and Our Health


Ground-level ozone (a.k.a “bad” ozone) is harmful to humans and plants. Ozone can make it difficult to breath, especially for those with asthma or other respiratory infections. High levels of ground-level ozone are hazardous for all people, but the young and elderly are often most affected. When an Ozone Action Alert is issued because of high ozone levels, the young and elderly are encouraged to stay inside and plan outdoor exercise early in the morning when ozone levels are lowest. While people can go inside on Ozone Action Alert days, plants cannot. Spikes in ozone levels are dangerous to … [Read more...]

Ozone gardens at CU-Boulder and NCAR reveal harmful effects of pollution

Ozone Garden

Most people have heard about the harmful effects of pollution on human and plant health, but until recently, visualizing such effects took some imagination. Now, new “ozone gardens” at the University of Colorado Boulder’s Museum of Natural History and the National Center for Atmospheric Research (NCAR) Mesa Laboratory make the evidence startlingly clear. Visits to the gardens are free and open to the public. Scientists at CU-Boulder and NCAR are growing plants that develop brown and black spots on their leaves when exposed to harmful air pollution. The ozone gardens feature particular … [Read more...]