Walvis

https://www. nu.nl/dieren/5820234/potvis-op-italiaanse-kust-aangespoeld-met-22-kilo-plastic-in-maag.html?fbclid=IwAR1eRytG0T-S_8DLw-VPvD3YzkIR3c0iRtzYTshBIJ7HEFt5qmse-0oZm_8

https://theoceancleanup.com/great-pacific-garbage-patch/

https://nl.wikipedia.org/wiki/Plasticsoep

https://wwf.panda.org/our_work/oceans/problems/pollution/

https://www.ad.nl/buitenland/dode-walvis-spoelt-aan-met-40-kilo-plastic-in-maag-ernstigste-vergiftiging-ooit~ae4c4e79/

https://www.nationalgeographic.nl/stop-met-plastic/2019/04/drachtige-walvis-stierf-met-22-kilo-plastic-maag

https://www.wwf.nl/wat-we-doen/focus/oceanen/vervuiling

https://en.wikipedia.org/wiki/Plastic_soup

https://www.nu.nl/algemeen/5958841/japan-hervat-walvisjacht-het-vlees-is-een-prestigeproduct.html

Bij

https://www.cbd.int/article/2020-01-10-19-02-38

https://en.wikipedia.org/wiki/Monocropping

http://www.fao.org/news/story/en/item/1194910/icode/

https://edition.cnn.com/2020/01/14/world/un-biodiversity-draft-plan-intl-hnk-scli-scn/index.html

Eekhoorn

https://wwf.be/nl/uitdagingen/ontbossing/

https://www.zoogdiervereniging.nl/zoogdiersoorten/eekhoorn

https://www.rtlnieuws.nl/nieuws/buitenland/artikel/4925816/ontbossing-amazone-bolsonaro-bosbranden

https://www.volkskrant.nl/nieuws-achtergrond/wat-is-de-impact-van-de-australische-bosbranden-op-de-opwarming-van-de-aarde~b6611b453/

Ijsbeer

https://scripps.ucsd.edu/programs/keelingcurve

https://www.unenvironment.org/resources/emissions-gap-report

https://www.iea.org/publications/freepublications/publication/world-energy-outlook-2017—executive-summary—english-version.html

https://climate.nasa.gov/effects/

https://nl.wikipedia.org/wiki/IJsbeer