Home›Environment & Energy›Fossil Fuels›What is Shale Gas?
◍ Environment & Energy·2 min·Updated Mar 16, 2026

What is Shale Gas?

Shale Gas

Quick Answer

A type of natural gas found in shale formations, shale gas is extracted through a process called hydraulic fracturing or fracking. It is an important source of energy and is considered a fossil fuel.

Overview

Shale gas is a natural gas that is trapped within shale formations, which are fine-grained sedimentary rocks. This gas is released by breaking apart the rock through a process known as hydraulic fracturing, or fracking. This method involves injecting water, sand, and chemicals at high pressure to create fractures in the rock, allowing the gas to flow more freely to the surface. The significance of shale gas lies in its contribution to the energy supply. It has become a major player in the energy market, particularly in the United States, where it has drastically changed the landscape of energy production. For example, the increase in shale gas production has led to lower natural gas prices and reduced reliance on coal, which is a dirtier fossil fuel. Moreover, shale gas has implications for energy security and environmental concerns. While it provides a cleaner alternative to coal and oil, the extraction process can lead to groundwater contamination and increased seismic activity. Therefore, while shale gas plays a crucial role in the current energy mix, it also raises important questions about sustainable practices and environmental protection.

Frequently Asked Questions

Shale gas is specifically found in shale rock formations, whereas other natural gases can come from various sources, including conventional gas fields. The extraction methods also differ, as shale gas requires fracking to release it from the rock.
The extraction of shale gas can lead to potential groundwater contamination and increased greenhouse gas emissions. Additionally, the fracking process can cause minor earthquakes in some areas.
No, shale gas is not considered a renewable energy source. It is a fossil fuel, which means it is formed from ancient organic matter and will eventually run out as it is consumed.