Water pollution is a consistent top concern over other areas

Why do you think water pollution is a consistent top concern over other areas? What is it about water that makes it so important? .Do you agree with water pollution is a top concern? Why or why not? What water (river, lake, or ocean) pollution are you aware of and concerned about?, What other areas from the quote (air pollution, deforestation, species extinction, and global warming) do you find concerning? Are you concerned about any of those over water pollution?