We will see this kind of news more and more. Last week the Danish state energy company announced it was divesting its oil and gas assets to invest in wind energy. Now, at the site where a polluting coal-fired power plant was closed in 2014, ground was broken on a 5.76-megawatt solar array—enough to power 1,000 homes. The Mount Tom coal station, which went online in 1960, was associated with perennially poor air quality in the Holyoke area north of Springfield in Massachusetts.