Ozone reduction not only causes skin cancer and eye cataracts, it also destroys plankton, the beginning of the food chain on top of which we humans sit.

臭氧的减少不仅导致皮肤癌和白内障，而且摧毁浮游生物，那是我们人类赖以生存的食物链的第一环。

youdao

Developed by UNEP with the education expertise of UNESCO, this kit gives primary school teachers a simple yet comprehensive teaching tool to facilitate the inclusion of human and environmental issues linked to ozone reduction within the teaching curricula.

UNESCO: UK National Commission for UNESCO :: Education materials from UNESCO and partner organisations