Smoke rises from the Colstrip Steam Electric Station, a coal burning power plant in in Colstrip, Mont., in September. New EPA guidelines treat toxic coal ash from such plants much the same as common household garbage.
Lynn Good has had many mentors throughout her career — but few of them were women. "So I'm generationally on the early part of the ascent of women into leadership roles," the Duke Energy president and CEO says.
Xiang Zhengming plants rice seedlings in a field in southeast China's Fujian Province earlier this month. A newly released report says nearly 20 percent of the country's farmland is contaminated.