Fracking stands for hydraulic fracturing.
What are the negative aspects of fracking:
It causes earthquakes or man made earthquakes
It can contaminate your water supply with gas.
If you live in an area where your water has been contaminated by fracking, this might be a solution for you, filters for your water.
One of the keywords to google is “water filters for fracking”
Remember to do your research and make sure it works etc etc.