A soy field in San Pedro, Argentina (Irargerich)
By Christine Legrand
SAN JORGE -- Located about 600 kilometers from Buenos Aires, San Jorge is a tidy town of about 25,000 in Santa Fe, one of Argentina's most agriculture-rich provinces. In the poor Urquiza neighborhood, a single dirt road separates the house of Viviana Peralta from an expanse of soy fields, where herbicides and pesticides are regularly sprayed down from small airplanes.
It took a while, but eventually the young Argentine mother connected the dots: the acute asthma attacks her baby daughter Ailen suffered were triggered each time a crop duster buzzed over her house. At a nearby hospital, a pediatrician later confirmed the presence of glyphosate in Ailen's blood.
Glyphosate is the principal active ingredient in Roundup, a herbicide developed and marketed by Monsanto, an American company. It has been widely used in Argentina sin…