World Meat Free Day 2016: Would eating less meat really combat climate change? | Environment | The Independent

"With the food system accounting for up to a third of global greenhouse gas emissions, anything that reduces its impact will make a big difference to the climate. It is a system riddled with inefficiencies and waste. Humans don’t simply eat food straight out of the ground, of course. It’s harvested, stored, processed – or fed to animals who are in turn slaughtered and processed – and finally packaged and delivered. Each of these stages uses energy, which means emissions."