human
I've been hearing a lot about fracking, but I don't know much about it.
assistant
Fracking is a process that involves drilling down into the earth and then pumping in a high-pressure mixture of water, sand, and chemicals to break up rock formations. The goal is to release natural gas trapped inside the rocks. This process can cause earthquakes, pollute groundwater, and increase air pollution. It has also been linked to health problems such as asthma, headaches, nausea, and nosebleeds.