Creating a Better Earth: Share Your Vision

Earlier this year, using the predictions of climate change experts as background, ABC News viewers submitted videos detailing what it might look like and feel like to live in a society destabilized by global warming, resource shortages and overpopulation.

View the results and submit your own video HERE.

Now, ABC News is calling on you to give us something to look forward to.

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Until Dec. 8, 2008, you can upload a short video telling us what changes you think would lead to a better future for our planet.

Will people move to urban centers to live in buildings covered in paper-thin solar cells, topped with green roofs and sporting individual wind turbines? Or will they move to rural areas to explore new, sustainable methods of food production?

How will they move around -- on foot, high-speed train, a method we haven't even imagined yet? Will cars communicate with the road, or will appliances communicate with each other to increase efficiency -- and if so, how? How will people communicate?

If you live in the sustainable future, how did you get there? What sacrifices did you make? What kept you moving in the right direction? What spurred the global community to action?

You can also show us what you are doing right now to make a positive change. You might be growing a vegetable garden, biking around town, using collected rainwater. Your house might get its energy from solar panels or wind turbines. Or maybe you're even in the process of inventing a revolutionary new device.

The videos can be as simple as sitting in front of a camera and explaining what is happening in the world outside your window, or as elaborate as you care to make them. The most compelling videos will be featured alongside expert predictions in an upcoming two-hour ABC News primetime special, "Earth 2100," airing in early 2009.