What if every time you put gas in your car you saw a warning label explaining how use of that product contributed to climate change? If labels on cigarette packs are effective in motivating smokers to quit (and others to never start smoking), could this type of label help encourage drivers to spend a little less time in their cars? Or even start asking governments and corporations for cleaner transportation? Our Horizon, a Canadian nonprofit formed in response to the Deepwater Horizon oil spill, thinks so, and is pushing for gas pump warning labels in Ontario.

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