We must reduce oil leaks like the oil spill in the sea, and the need to reduce the amount of pollution in the water from petroleum drilling. It is a major problem over oil spill.
We must reduce the oil spill as the oil spill in the sea. And to reduce the amount of pollution in the water by drilling. It is more important to the oil spill.
We need to reduce the leakage of oil, such as oil spill in the sea. And the need to reduce the amount of pollution in the water from drilling petroleum. It is a problem that is more important than the leak of oil.