United Kingdom, July 23 -- Benedict Cumberbatch has branded the film industry "grossly wasteful".

The Doctor Strange star is convinced Hollywood needs to improve standards when it comes to recycling, energy efficiency and waste - insisting simple measure such as banning single-use plastic bottles would be a big help.

During an appearance on Ruthie's Table 4 podcast, he explained: "It just slowly, slowly, you have to meet people where they are on these issues in filmmaking.

"It's a grossly wasteful industry . So let me think about set builds that aren't recycled, think about transport, think about food, think about housing but also light and energy.

"The amount of wattage you need to sort of create daylight and consistent light in a st...