Low interest rates mean that you need more risks for the same return. It means investing a portion of your savings in emerging market bounds, corporate bounds, stocks, real estate.

This of course is not as straightforward as putting your money in a saving account. But it is also not as complicated as you might expect. You need to decide what risks you are comfortable with. How do you view the world and the markets in 5-10-20 years and do your research.