Vegan meals and old tuxedos: Hollywood red carpets go green

Los Angeles - From glitzy all-vegan galas to recycled red carpet outfits, Hollywood has stepped up efforts to reduce its carbon footprint this awards season, which will soon wrap up with the Oscars.

But while some scientists have welcomed A-listers' renewed zeal on climate change, others have questioned whether Tinseltown's jet-set elite are any sort of example to follow.

The Golden Globes, Screen Actors Guild and Critics' Choice Awards galas this month all served plant-based menus, instead of the steak dinners typical of celebrity-packed events.

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