agriculture

Science, Tech & Environment

Rising carbon dioxide levels may reduce the nutritional value of important foods

Rising levels of atmospheric CO2 are already having significant impacts on climate, weather patterns and water supplies. Scientists expect increased carbon dioxide levels will also affect agriculture across the world, in ways we can't predict. The results of a recent study suggest that one of those affects could be quite alarming.

Arts, Culture & Media

More champagne?

Anchor Katy Clark speaks with Jerald O'Kennard director of the Beverage Tasting Institute in Chicago, about a plan to officially expand the region of France where "champagne" with a capital "C" can be produced

Global Politics

The top cotton producers

The high price of cotton figures in today's Geo Quiz. So, we're wondering where the world's supply of cotton comes from. We'd like you to name the top three cotton producing nations. Together, they account for more than 65 million bales of the soft stuff