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.

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.

Global Politics

Geo answer

For today's Geo Quiz we were looking for the common theme that connects Australia's coastal region "The Great Sandy," North Korea's Mount Myohyang, and Lagunas de Montebello, near the border between Mexico and Guatemala. The answer is....they are all newly deemed 'biosphere reserves.'

Arts, Culture & Media

Urban beekeeping

It's been rough going for honeybees in recent years. A phenomenon called Colony Collapse Disorder has been killing them off en masse.Yet bee colonies are thriving in unexpected places like French cities. Genevieve Oger has more from Paris

Global Politics

Geo answer

Today's Geo Quiz takes us to Nebraska's Platte River where an estimated half a million Sandhill Cranes stop in his time of year along their annual migration route north. Alicia Hardin of Nebraska's Game and Parks Commission speaks with anchor David Baron.

Global Politics

Problem with the PlayPump

A water pump built into a children's merry-go-round. The idea was simple: It was meant to provide clean water for thousands of African villages. Philanthropists loved it. Until it fell apart. Amy Costello's gives us an update on today's show.