Who’s the ungreenest of them all? Looks like it’s David and Victoria Beckham, who apparently own four homes, 15 cars, and — like any celeb couple worth its salt — travel thousands of miles by airplane every year.

Here’s a thought: After they move to L.A., maybe Leonardo DiCaprio should take them a welcome basket stuffed with a five-year TerraPass, a few Tesla Motors brochures, and an Eco Kettle.