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Portsmouth Summers May Be Toxic by 2050

September 20, 2007

Portsmouth, NH – By 2050 in Portsmouth, if the rising sea level doesn't get you, the poisoned air just might. A new report from the Natural Resources Defense Council reiterates there will be more "bad air" days because of global warming. Report co-author Kim Knowlton explains that rising temperatures will result in more toxic ozone.

"Wonderful, cool Portsmouth could see an additional two 'purple alert' days per summer. These are days the most severe type of ozone health advisory is issued, which calls for everyone to limit outdoor activity."

This year's study, entitled "Heat Advisory: How Global Warming Causes More Bad Air Days," reaffirms the findings for Portsmouth from 2004, and describes how air quality could be even worse in ten other eastern and southern cities.

Knowlton believes there's some good news, however -- there is still time to reduce greenhouse gas emissions and slow down global warming. She explains the efforts made today will produce a twofold gain.

"We get a double benefit when we reduce greenhouse gas emissions, with better air quality today and a cooler and healthier environment tomorrow."

The full report is available online, at

John Robinson/Chris Thomas, Public News Service - NH