Times (UK): Hypocrisy is the vice we find hardest to forgive, but it’s also the one we most enjoy discovering in others. And nothing piques our interest more than eco-hypocrisy as practised by the "green’ celebrities who have been spouting green virtue but spewing out hundreds of tons of carbon from their private jets or multiple holiday homes around the globe. There was Sheryl Crow, who had called upon the public to refrain from using more than one square of toilet paper per visit ("except on …