Who will pay for Amazon's 'Chernobyl'?

It's barely eight in the morning and already the dusty oil town of Lago Agrio, on the fringes of the Ecuadorian Amazon, is sweltering. Its name means "sour lake" in Spanish, after the hometown of Texan oil company Texaco – a fitting name for an area of once-pristine rainforest that has been decimated in the pursuit of oil. So severe is the environmental damage here that experts have called it an "Amazon Chernobyl".