Do you feel like the summers are getting hotter, and the winters just aren't what they used to be? You're right. Need proof? Open a window!

While we've certainly had our share of summer heat waves in the past, there's no denying that global warming is real. There is direct and indirect scientific evidence that the earth is getting hotter, and the risks of inaction are becoming too great to ignore.

NEXT: Lower your energy bill but not your comfort

But what can I do about global warming? Plenty!

Easy ways to be more green

Give the car a rest this summer

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