a.As the problem is getting worse, we must implement immediate solutions to make the world a better place to live. b.One major type of pollution is air pollution, which is mostly caused by fumes and gases released from vehicles and factories. c.Another concerning type is sea pollution, resulting from oil spills and factory waste. d.The contamination of the sea and ocean is damaging both marine and human lives. e.We are constantly hearing about global problems, like pollution on TV, radio, and in the newspaper.