Twenty years ago, the Amazon River in Ecuador was heavily contaminated after chemical-laden wastewater was dumped into it. The effects on the surrounding population were devastating: illness, death, and economic loss. Chevron Corp., the U.S.'s second largest oil company, is the alleged culprits, and the company may have to pay at least $8 billion to repair damages after a ruling yesterday. In a statement, Chevron reacted, saying "The Ecuadorian court's jumdgment is illegitimate and unenforceable. It is the product of fraud and is contrary to the legitimate scientific evidence. Chevron will appeal this decision in Ecuador and intends to see that justice prevails." To tell us more about the long fight is Irene Caselli, who reports from Ecuador for the BBC.