In the longer term, short real estate companies in places like Tuvalu, Florida, and Kiribati, which may disappear into the sea rendering the land worthless. In the shorter term, there’s a water crisis looming in Kalifornia as they deplete aquifers which took tens of thousands of years to in order to maintain their agricultural base. As global warming increases the frequency and severity of droughts, fresh water is going to become a critical resource. Investing in water pipelines or companies providing desalination technology both seem like good investments.
I hope when the last drop of fresh water disappears into a Las Vegas golf coarse and the last ragged stalk of wheat in the new dustbowl dries up and blows away that you will find your bulging wallet thirst-quenching and delicious.