SAO PAULO — For nearly 20 years, Brazil's largest soy producers assured buyers that their harvest — the world's biggest — wasn't grown on land cleared from Amazonian forests. The pledge, known as the soy moratorium, has been widely credited ... .
SAO PAULO — For nearly 20 years, Brazil's largest soy producers assured buyers that their harvest — the world's biggest — wasn't grown on land cleared from Amazonian forests. The pledge, known as the soy moratorium, has been widely credited ....