Green news harvest: Trash-to-electricity, a Sahara-to-EU 'supergrid'

Inverter maker Xantrex gets bought for about $500 million; Rocky Mountain Institute argues for a portfolio approach to renewables;first coal-to-liquids plant in the U.S.; why clean-tech VC take a shine to Obama; Postal Service looks to alt fuels.

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The problem with hoarding photos on your phone

Do you have hundreds (or thousands) of photos on your phone? This one's for you.

by Sharon Profis