A cap on greenhouse gases could solve our addiction to oil, but it's hard to explain this succinctly. Can you convey this concept in a vivid and memorable way through a video or still image? If so, you could win a $10,000 professional fee. We're also offering cash prizes for the second and third place entries.
Details on what we're looking for and the rules of the competition are on our Web site.
This post is by Sheryl Canter, an online writer and editorial manager at Environmental Defense Fund.