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.

Conflict & Justice

Blue fin tuna in trouble

Europe has joined the United States in a call to suspend commercial fishing for Atlantic Blue Fin Tuna. Many experts say the Blue Fin is seriously over fished. But as The World's Gerry Hadden reports, opponents have pledged to ignore any ban.

Global Politics

Genetically engineered foods in Europe

In Germany, public opinion runs strongly against genetically engineered crops. Scientists who work in the field endure protests and occasional threats. So why stay in Germany? The German government provides generous research funding. David Hecht reports.