Many people around Britain are cutting back on how much meat they eat. This is down to concerns over meat's effect on health, the environment and animal welfare. It's a trend known as Flexitarianism, or semi-vegetarianism, and is said to be a step towards a healthier and more sustainable planet. Our reporter Frey Lindsay spoke to Mark Driscoll from Forum of the Future to explain what exactly Flexitariansim is, and how it will impact us.