A new viral disease that destroys cassava crops is spreading explosively in East Africa. Cassava, the world's third largest source of calories, is eaten by some 800 million people in Africa, South America, and Asia.
Recent outbreaks of foodborned diseases like E. coli have pressured USDA to tighten food safety rules. The sources of outbreaks are often large industrial operation -- but small farmers who can't afford to comply may be forced out of business.
"US researchers claim to have identified a new potential cause for Colony Collapse Disorder (CCD) in honeybees." They think a synergistic effect of two pathogens -- a fungus and a family of viruses -- may be the culprit.
Following the hazards of dams, refineries, chemical plants, pipelines, and other infrastructure? Find story leads in this Department of Homeland Security report.
The Labor Department and the Environmental Protection Agency pledged to do a better job of protecting the 300,000 to 400,000 child farmworkers from threats including pesticide exposure, after a stinging new report from Human Rights Watch.
Beef and pork factory farms are exempt from federal requirements to report their greenhouse gas emissions but are okay with accepting federal subsidies to capture their methane emissions and turn them into energy.
"For 100 years, Mexico City has flushed its wastewater north to irrigate the farmland of Hidalgo State. This foul cascade, which the farmers call 'the black waters,' flows through a latticework of canals and then trickles over the fields. So when word got out that the government was finally going to build a giant wastewater treatment plant, one might have expected the farmers around here to be excited. Instead, they were suspicious."
After years of heavy application of glyphosate (Roundup) herbicide, farmers are struggling with superweeds that have developed resistance.
Bat losses can have major impacts on ecosystems, as they routinely consume large quantities of insects and themselves provide food and nutrients for other plants and animals. There also are economic impacts as caves close to recreational use, in an effort to combat the spread of the disease.
"The alcohol in silage can drive significant ozone formation, exceeding the contribution from tailpipe emissions."