Sustainability Goals of the UNO
In the context of sustainability, the use of solar light has a key function. The UN has formulated sustainability goals in its Agenda 2030, to which 193 countries have committed themselves, including Germany.
Attractive chemistry with light in various contexts, for example in connection with chemiluminescence, is offered by Vaclav Matousek in experiment and material kits at https://www.chemistryandlight.eu/. There are kits in various sizes and price ranges, from the small "Test Kit" to the "Professional Kit".