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

Corn in Africa

Development agencies have long promoted corn as a crop that can modernize African agriculture. Yet some food experts say Africa has now become over-reliant on corn, and the result has been increased malnutrition and vulnerability to famine.

Global Politics

A DDT debate in Uganda

In Uganda, a government program to battle malaria using DDT has provoked a fierce backlash. Some fear the government is poisoning them. Yet many public health experts say the risks of DDT are far less than the risks of malaria. On PRI's The World.