Our Bernadette Woods Placky reports on COP22 from the city of Marrakech.
While it certainly presents challenges, climate change also opens doors to new opportunities for innovation and development in technology — including big batteries.
Are all green cars created equal? It’s a complicated question, but Climate Central found the answer.
We don't know what it will cost to build the next nuclear power plant in the U.S.
Congress helped bolster the corn ethanol business in Iowa by mandating the Renewable Fuel Standard in 2005. But scientists are concerned about the unexpected consequences of putting more of Iowa's land into corn production.