Talk about giving back. 

Art professor John Sabraw from Ohio University set out to repurpose parts of poisonous water into paint. Wait, it’s not what you think.

The water is treated and the remaining iron is used as paint pigment. The proceeds from this paint actually go back into projects to clean up polluted streams.

Read more in the full article here: https://highlandscurrent.org/2019/06/23/paint-from-pollution/