Chemistry World has an article on the shortage of helium the world is experiencing. In 2006 and 2013, industry was unable to meet the global demand for helium. Industry has responded by recycling helium and being more efficient with its use. Currently, oil drilling is the major source of helium. However, some of the helium fields are reaching depletion and in the long term, the world will need additional sources of helium.
Read more in Helium in Crisis at Chemistry World, https://www.chemistryworld.com/opinion/helium-in-crisis/3007152.article