Probably not a popular topic at this moment, but in the long run, the world does face shortages in key resources.
http://www.advisor.ca/investments/market-insights/how-to-play-resource-scarcity-113413
Probably not a popular topic at this moment, but in the long run, the world does face shortages in key resources.
http://www.advisor.ca/investments/market-insights/how-to-play-resource-scarcity-113413