Guardian: Walt Disney is going green. Fantasy world? You might think so, what with headlines declaring “Disney no Dumbo when it comes to the environment” and sober-minded business journalists reporting their ambitions to be “as green as Jiminy Cricket”. Anyhow, the company with an unerring ability to persuade people to cross oceans to visit its theme park is now taking the well-worn path to corporate environmentalism. Its journey is being charted by Conservation International, one of the …