The best of EcoWatch, right in your inbox. Sign up for our email newsletter!
The vast quantities of water needed to release oil and gas by fracturing rock formations are not available in large areas with the richest deposits—posing major challenges to the future viability of fracking.
According to a report by the World Resources Institute (WRI), 38 percent of the areas where shale gas and oil is most abundant is arid or already under severe water stress—and the 386 million people living in these areas need all the spare water they can get.
Among the countries that have areas with potentially large quantities of shale underground, but which have limited water supplies, are China, India, Pakistan, South Africa, Mexico, U.S. and the UK.
Andrew Steer, president of the WRI, said: “These factors pose significant social, environmental, and financial challenges to accessing water, and could limit shale development.”
The report says that estimates of shale gas reserves add 47 percent to the global, technically-recoverable natural gas reserves and 11 percent to the oil reserves. But it points out that that “as countries escalate their shale exploration, limited availability of fresh water could become a stumbling block.”
The method of releasing the trapped gas and oil in the process known as fracking is controversial because it involves injecting large quantities of water and chemicals underground to fracture the rock and release the oil and gas.
In some areas of the U.S., where fracking has been pioneered and has enabled large new supplies of oil and gas to be produced to the benefit of the economy, there has been trouble with the release of methane into the atmosphere and contamination of water supplies.
In many areas that have potential for fracking, this had led to a public backlash − even where there is plenty of potential water for use in the process.
An example is the Canadian province of Nova Scotia, where the Environment Minister, Andrew Younger, has imposed an indefinite ban on fracking onshore and plans to bring forward legislation to ban the practice.
“Nova Scotians have clearly indicated they are not yet ready for the use of hydraulic fracturing in the development of shale reserves,” Younger said. “We will respect their views.”
Areas of stress
The WRI has produced a detailed map of shale oil and gas reserves, overlaid with colours indicating of areas high water stress. It illustrates where most conflict over the use of resources is likely to be.
The report comments on the problems facing companies and governments in persuading their citizens to sacrifice limited water supplies so that oil and gas can be extracted.
“The findings indicate that companies developing shale resources internationally are likely to face serious challenges to accessing fresh water in many parts of the world,” the report says.
“These challenges highlight a strong business case for strategic company engagement in sustainable water management at local and regional levels.
“They also point to a need for companies to work with governments and other sectors to minimise environmental impacts and water resources depletion.”
YOU ALSO MIGHT LIKE
EcoWatch Daily Newsletter
By Tara Lohan
In 2017 the Thomas fire raged through 281,893 acres in Ventura and Santa Barbara counties, California, leaving in its wake a blackened expanse of land, burned vegetation, and more than 1,000 destroyed buildings.
By Danielle Nierenberg and Katherine Walla
As the holiday season ramps up for many across the world, Food Tank is highlighting 15 children's books that will introduce young eaters, growers and innovators to the world of food and agriculture. Authors and organizations are working to show children the importance — and fun — of eating healthy, nutritious and delicious food, growing their own produce, and giving food to others in need.
By Lauren Wolahan
For the first time ever, the UN is building out a roadmap for curbing carbon pollution from agriculture. To take part in that process, a coalition of U.S. farmers traveled to the UN climate conference in Madrid, Spain this month to make the case for the role that large-scale farming operations, long criticized for their outsized emissions, can play in addressing climate change.