Farmers using new tools to deal with global warming
"Our whole farming system really contributes a lot to global warming and it could be made to be much more sustainable."
- Francis Thicke, farmer/soil fertility expert
Des Moines, Iowa, USA - Gary Larsen, who grows corn and soybeans in western Iowa, is among a growing number of farmers who are concerned about the potential effects of global warming.
Farmers also are planting crops that require less fertilizer and herbicides; using alternative fuels such as ethanol and biodiesel; capturing methane gas from livestock for energy production; and harnessing wind power.