14 Jan 2022 --- As cultured animal proteins begin to hit markets worldwide, consumers are looking to religious authorities for answers on whether lab-grown meat products will ever be accepted as Halal or Kosher. Cell-based meat innovators say slaughter-free production methods could hold the key to reducing greenhouse gas (GHG) emissions associated with animal farming. However, adherents of Judaism and Islam – who make up over 2 billion of the world’s population – will require permission from ruling religious officials on whether lab-meat can be compatible with their diets.