Yale Environment 360: Oregon has become the first U.S. state to eliminate the use of coal by legislative action. Lawmakers at the statehouse voted Wednesday to eliminate coal from the states energy supply by 2030, and to provide half of all customers power with renewable sources by 2040. The legislation was hammered out between the states two largest utilities and environmental groups. Clean energy groups praised the legislation as one of the strongest pieces of pro-climate legislation in the U.S. in years. In terms...