Two short answers

Describe one possible solution that would help reduce nutrient pollution in our surface water that leads to eutrophication. (This can be a new agricultural practice, or a way to contain and treat the water.)
While many pollution regulations may be expensive to start, they are often more cost-effective long-term. Describe one possible method of reduce air pollution. (This can be a new technology or practice.) Explain how regulating air pollution might lead to an overall decrease in costs for a population
Each answer should be 50-150 words