Fracking, or hydraulic fracturing, is a process used to extract natural gas or oil from the ground. It involves drilling deep into the earth and then injecting a mixture of water, sand, and chemicals into the rock to break it up and release the gas or oil.

Negative effects of fracking:

* Water contamination: Fracking can contaminate groundwater with chemicals used in the process, such as benzene, toluene, and lead. These chemicals can cause a variety of health problems, including cancer, birth defects, and nervous system damage.

* Air pollution: Fracking can release harmful air pollutants, such as methane, benzene, and formaldehyde. These pollutants can contribute to smog, respiratory problems, and climate change.

* Land use impacts: Fracking requires a lot of land, which can lead to deforestation and other environmental impacts.

* Noise pollution: Fracking operations can generate a lot of noise, which can be disruptive to nearby residents.

* Traffic congestion: Fracking operations can generate a lot of traffic, which can lead to congestion and safety hazards.

* Earthquakes: Fracking can cause earthquakes by injecting high-pressure fluids into the ground.

Overall, fracking has a number of negative effects on the environment and human health. These effects must be carefully considered before fracking is allowed in any area.