As well as animal welfare concerns over rearing large numbers of farm animals in close proximity, the water use, farmland for animal feed, waste and greenhouse-gas emissions associated with meat production make it one of the most significant environmental problems in the world today.

CNN: Lab-grown meat gives food for thought

We feed them animal waste, and they convert it from manure to digested effluent, eating the carbohydrates and producing biogas that contains methane.

FORBES: Magazine Article

Food is donated to food banks and hunger relief organizations and other organic waste products are used to make animal feed, compost and even energy creation.

FORBES: Written by Melissa Hincha-Ownby