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"Few places are as well suited for large-scale solar projects as California's Mojave Desert. But as mainstream environmental organizations push plans to turn the desert into a center for renewable energy, some green groups - concerned about spoiling this iconic Western landscape - are standing up to oppose them."

Solar cells are still very inefficient, but this is helping to chip away at that.

"The photovoltaic collector field will feature a 5.3-megawatt system, and will include 16,500 PV panels. The university says that once installed, the field will generate 5.5 percent of the campus' electrical power and bring down its energy costs by about 8 percent. Not too shabby. The 5.5 percent figure is an average stretched over the year. On super sunny days, the installation is capable of meeting up to 20 percent of the campus' power needs."

"Take a stroll in the sun because 1 hour out in that heat will power 3 hours of iPod playtime or 1.5 hours of cell phone talk time. Take it out as you head to the pool this summer and charge up your electronics. So, not only is this backpack cool and amazing but is also efficient with your energy usage and time."