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Kate commented on Algae: renewable fuel

It is a great idea that use algae to produce energy instead of fossil fuel, but it is said planting algae will need a lot of water. It is true algae is a renewable source, however, when it provides energy and reduces carbon, at the same time it wastes a lot of water.

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Kate commented on One Dollar Plan

The plan would be more effective if charity involves in. And I do believe there are plenty of people would like to donate more than one dollars.