100 Percent Clean Energy Goals: What will it take to get there?

As published in Renewable Energy World  

Here we are in 2019, with more than 100 U.S. cities and 140 large corporations having established 100 percent clean, carbon-free and/or renewable energy goals. In several states, newly seated governors campaigned on goals of 100 percent renewable energy, and congressional representatives have arrived in Washington positioning for a like-minded national proposal. The question is: what really has to happen to get from here to there, and what are the benefits such a transition will bring?