In the quest to "level the playing field," the 31 percent anti-dumping tariff announced Thursday was a good start, said SolarWorld President Gordon Brinser, but even more is needed to bring the industry back into balance.

Greenpeace advocates gathered outside of Apple's Cupertino headquarters early this week dressed as iPhones and iPods, declaring their outrage about the company's lack of clean energy use. They projected social media messages from supporters on the side of the building: