A genetically modified form of a grass is worrying the US Department of Agriculture (USDA) enough that it is running its first full environmental impact assessment of a GM plant.

Thirty years after hostilities ended between the US and Vietnam, relations remain strained by one of America's most notorious actions, the use of the chemical Agent Orange.

Monsanto, the US agro-chemical company, is to pay Dollars 1.5m in penalties to the US government over a bribe paid in Indonesia in a bid to bypass controls on the screening of new genetically modified cotton crops.

The Vietnam War ended in 1975, but the scourge of dioxin contamination from a herbicide known as Agent Orange did not.

The US biotechnology company Monsanto has abandoned its plans to introduce genetically modified wheat to the world market despite spending seven years and hundreds of millions of dollars developing the crop.

Other biotech food crops continue to edge closer to commercialization, whilst Monsanto shelves its plans for Genetically Modified Wheat.

Decades after the U.S. dusted Vietnam with herbicides, scientists and civilians tally the damage.

PCBs drenched Alabama town, but no one was ever told.