The core activity of the Karl Näf Foundation consists of promoting three main areas: 1. **Sustainable Energy Generation**: The foundation supports the development of environmentally friendly energy generation methods, particularly geothermal energy generation in Switzerland. 2. **Plant Breeding**: The foundation promotes the recognition of outstanding breeding achievements in the field of advanced vegetable cultivation and supports the development of plant breeding that serves the Swiss general public. 3. **Culture**: The foundation supports cultural purposes, particularly the preservation of art objects, historical and archaeological cultural assets in Eastern Switzerland, as well as the support of a local museum in Goldach.