Because of humanities influence on nature and human-made climate change a lot of species are threatened in their existence. Plants, Mammals, Insects, etc. small ones and also big ones. Due to our dependency on Earths nature, we should protect and enhance our environment respectively or natural living conditions. For further information compare e.g.: https://www.un.org/en/observances/biological-diversity-day or e.g.: https://cbd.int/biodiversity-day or e.g.: https://nationaltoday.com/international-day-biological-diversity/ , last visit: 2021-05-16.