I liked your question, so I researched it further. The only one I found was exxon valdez.
the answer is because of oil spills.
Oil Spills.
It can definitely contribute to oil spills.
By seeing a lot of oil spills
yes caboolture river has oil spills all the time it is very common for its oil spills
Oil spills are usually occured by a leak in the ocean killing out whales and dolphins. Hope I helped x Alex Perkins, 12 years old .. x
About 125 known major oil spills.
oil spills
No, oil spills may happen in rivers and harbours too.
oil spills kill or harm wild life and it pollutes the earth
Oil spills are very bad for Duckweed growth. This is because duckweed need oxygen and oil spills keep oxygen from reaching the plant.
Oil Spills: The One Spill To Fuss About