It's hard to imagine a life without beer, and yet some forward-thinking brewers are reacting to a very real threat to beer's ongoing viability. Watch the video below to learn more about why your pint may be at risk, and what some companies are doing to protect their ability to keep serving us cold ones well into the future.

Fool contributor Sara Murphy has no position in any stocks mentioned. Follow her on Twitter @SMurphSmiles. The Motley Fool recommends Diageo. The Motley Fool owns shares of Lindsay. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.