How to Use "fracking" with Example Sentences

1. Ford claims that when wells are properly built , as they usually are , fracking is safe .
2. Fracking and gas drilling have caused controversy across the country .
3. Another worry is that fracking may cause earthquakes .
4. Critics fear that fracking can contaminate ground and surface water or even cause gas to leak into domestic water supplies .
5. Local opposition to fracking could leave vast tracts of the shale gas undeveloped .