1. https://astrobiology.nasa.gov/news/the-anthropocene-humankind-as-a-turning-point-for-earth/
2. https://education.nationalgeographic.org/resource/anthropocene
3. https://www.weforum.org/agenda/2016/08/what-is-the-anthropocene-and-why-does-it-matter/
4. Lenkowa, A. (1961). Oskalpowana ziemia.
5. Eckholm, E. P. (1976). Loosing losing ground: Environmental stress and world food prospect.