swine environment?

Question

- What measures are being used to determine the amount of the any kind of pollutants in the surrounding:
- air
- water
- land
- What preventative measures are being used to minimize the generation of these pollutants and its spread into the surrounding environment

Answer 1

Usually trees take in alot of pollutants and give off oxygen in return.
Water can be boiled to purify it or add vinegar.
Land---lots of folks lime their land
Air...just grow more trees