Can cricket burgers and worms save the planet?

Insects are increasingly being promoted as an alternative source of protein that produces less greenhouse gas emissions than meat.

But could consumers really support hamburgers with insect infestation?

A blind family has tasted the taste of four hamburgers: a traditional hamburger, a soy hamburger, a state-of-the-art meat substitute, and a flour-based hamburger. How was your judgment?

See overview of climate change : What can we do? on BBC One at 20:30 on Monday, October 14 and then on BBC iPlayer.

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