Green news harvest: Wind power expands in Northwest; lime-laced oceans explored to fight global warming

A sampling of green-tech news, including a waste-to-fuel plant set for Nevada, criticism of new coal plants, hybrid taxis in the Big Apple, smart homes set for Europe, and more.

A sampling of green-tech news with quick commentary.

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Google Cardboard getting an upgrade?

The virtual reality headset may come in a new form this year. Meanwhile, the Super Bowl was streamed online in record numbers, and there are theories to why Venmo had troubles after the big game.

by Bridget Carey