1. The fish have probably died.
2. The water is polluted by oil from the oil spill. Oil spills are harmful to marine birds and mammals as well as fish and shellfish.
3. I think oil industry is important for our nearest future. We still use oil to produce plastic goods, medications, synthetic fabrics, computer components, cosmetics and asphalt. The bad thing about using oil is that it deals with releasing greenhouse gases which speeds up global warming.