Rising Greenhouse Gases Making Food Less Nutritious I VOA

Published on Jul 12, 2018
Temperatures around the world are rising as humans burn coal, oil and other fossil fuels for energy. Burning those fuels releases heat-trapping carbon dioxide into the atmosphere. But it does more than that. CO2 is vital for plant growth. While having more of it sounds like a good thing, scientists are finding it is not always that simple. VOA's Steve Baragona has more.