1.   Oil spills are a major cause of Marine pollution.

2.   Scientists say that the oil spill is an ecological catastrophe.

3.   Scientists say the oil spill is an ecological catastrophe.

4.   The cleaning-up operation after the oil spill will be difficult but not insoluble.

5.   The oil spill was a disaster for Alaskan sea animals.

6.   The oil spill will be an ecological catastrophe.

7.   An oil spill could be devastating for wildlife.

8.   The oil spill was an environmental catastrophe.

9.   The oil spill is responsible for the killing of thousands of birds.

10.   With a wipe, the spill was gone.