Environmentalists are fighting a different kind of battle in cities across the earth. Their battle isn't against religious extremism or any kind of organized army. Armed with seeds and soil, they scan the urban terrain they inhabit. They level their sight picture on areas they deem abandoned, neglected, or misused. They then transform the space into productivity and beauty via covert gardening.

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Eco-friendly technology is preparing to unleash its most recent creation. The first entirely solar-powered nautical trip around the planet is scheduled for April 2011. Called PlanetSolar, this ship is topped with 5,300 square feet of solar panels which generate the power needed to maintain an average speed of 8 knots as it circumnavigates the globe.

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