Rising levels of carbon dioxide in the atmosphere are making crops grow bigger & faster. However, researchers have found that these crops contain significantly lower levels of protein, iron, zinc, and other important nutrients, potentially endangering nutrition for hundreds of millions of people. Experts explain the effect will get worse as CO2 levels continue to rise, and what might be done to combat the problem.
: Each year, the humanitarian organization Save the Children develops a nation-by-nation scorecard on how likely children are to grow up healthy, educated, and safe. The organization’s CEO discusses how most nations have improved the ways children are treated over the past generation, and why the US ranks 36th.