States and cities will require bold action to reach ambitious renewable goals

The Sierra Club’s Ready for 100 campaign, where cities, counties and states pledge to reach 100% renewable energy by a certain date, has been a popular way for places to showcase their clean energy commitments. The Sierra Club reports that over 90 cities, 10 counties and two states have made the pledge, and six U.S. cities have already hit their targets. But those that haven’t, especially the states and large cities, will have to take serious action if they want to actually meet their goals.

Read more in Solar Power World.