What if you could save your child's life with a treatment that required 2 percent of your time? What if you could pay off your house with 2 percent of your income? Of course you would do these things, wouldn't you?

Scientists estimate that in order to limit global warming to just a 4 degree (Fahrenheit) increase, we need to start reducing our greenhouse gas emissions by 2 percent per year for the next 40 years. That little 2 percent will compound and add up to an 80 percent reduction by 2050.

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