In the following video, Fool contributor Matt Thalman discusses why he believes both Waste Management (NYSE:WM) and Duke Energy (NYSE:DUK) are two stocks an investor could buy hold for the next 20, 30, even 50 years without worry. Matt sees both as leading stocks in industries we couldn't live without. Agree? Disagree? Check out the video and let us know what you think.

Fool contributor Matt Thalman owns shares of Waste Management. Follow Matt on Twitter: @mthalman5513.

The Motley Fool recommends Republic Services and Waste Management and owns shares of Waste Management. Try any of our Foolish newsletter services free for 30 days. We Fools don't 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.