"The antipoverty group Oxfam has come up with a scorecard that evaluates the impact that the supply chains of behemoth food companies have on water consumption, labor and wages, greenhouse gas emissions and nutrition."

A new study, still tentative, suggests that climate change will have much worse effects on global food production and supply than experts have previously estimated.

"High levels of a dangerous toxin found in bagged dog food on a grocery store shelf in Iowa have highlighted the prevalence of a problematic mold in last year's U.S. corn crop, as state and federal officials work on limiting the food safety concern."

"WICHITA -- Years of drought are reshaping the U.S. beef industry with feedlots and a major meatpacking plant closing because there are too few cattle left in the United States to support them."

A surge in the use of fungicides is bringing higher crop yields; but experts warn that there is not enough monitoring of the emerging fungicide contamination of streams -- and that not enough is known about the health consequences.

"The searing U.S. drought of 2012 devastated the nation’s corn crop, pushing yields down in some states to their lowest levels in nearly 30 years. According to recently-released numbers from the U.S. Department of Agriculture (USDA), Missouri, Illinois and Indiana were among the hardest hit Corn Belt states, with yields at 28-, 26-, and 22-year lows, respectively."

Today the Supreme Court will hear arguments in a case testing the reach of GMO companies' market power based on intellectual property claims -- and while environment and health are not immediately before the court, a case that could have wide impacts on both.

"Mass application of nutrients causes pollution in some areas while under-use hampers food production in others."

"Fewer bees are available to pollinate California's growing almond crop. Beekeepers in the US have fewer bees this year because of drought and ongoing colony collapse disorder."