Sustainable growth - can beer go green for the planet?

It seems that the brewing sector is an unlikely pioneer in greening the industry, with five brands leading the way.

This World Economic Forum clip looks at how Heineken, Goesser, Anheuser-Busch InBev, Brewdog, and most remarkably, the New Belgian Brewing Company's "Torched Earth" beer, deliberately brewed to mimic what beer might taste like as a result of climate change. It's not pleasant.