27 - Marint biologisk mangfold
2Causes
1Consequence
Yes, because of fishing.
5Other possible causes
With this link, we highlight all the degradations that humans are inflicting on marine life such as plastic pollution and overfishing. It's irrelevant to climate change, but it's interesting to make the connection anyway.
Oils slicks in the ocean are an example of a link between fossil fuels and marine biodiversity.
There's probably some sort of link here...
Calcification problems do not only affect pteropods and coccolithophores. Coral reefs are also affected, for example, so this link is acceptable.
1Other possible consequence