Bloomberg If you think air pollution in China has been bad, just look at Mongolia. Levels of particulate matter in the air have risen to almost 80 times the recommended safety level set by the World Health Organization — and five times worse than Beijing during the past week’s bout with the worst smog of the year. Mongolian power …

  MINEVILLE, N.Y. / AP Some look at an abandoned, centuries-old iron mine in New York’s Adirondacks and see a relic. An ambitious group of engineers sees the shafts in Mineville as a new way to provide a steady flow of electricity in a growing market for renewable energy. They are pitching a plan to circulate some of the millions …

  Bloomberg China is reducing the amount of money it pays to newly completed solar and wind power generators for their electricity, in order to reflect declines in construction costs, the country’s price regulator and economic planner said on Monday. The nation will cut tariffs paid to solar farms by as much as 19 percent in 2017 from this year’s …