Reports say the study may lead to better predictions of temperatures, rainfall and the intensity of weather systems.

VOA: special.2009.09.29

A new study in West Africa shows how farm irrigation systems powered by the sun can produce more food and money for villagers.

VOA: special.2010.01.11

The second study involved researchers at the Institute for Systems Biology in Seattle,Washington.

VOA: special.2010.03.23