For comparison, here's one of many online tables of "Global Warming potential" (GWP) for different chemicals: http://unfccc.int/ghg_data/items/3825.php http://

For comparison, here's one of many online tables of "Global Warming potential" (GWP) for different chemicals: http://unfccc.int/ghg_data/items/3825.php http://unfccc.int/ghg_data/items/3825.php A 100-year GWP of 7000 seems typical for the type of chemical described in the article. Nevertheless, it's good we are identifying them.