We…contact you with a growing global human rights concern due to the evolution of a socially and environmentally high-risk corporate activity called hydraulic fracturing…Unlike conventional oil and gas operations, fracking shale formations employs voluminous quantities of fresh water…It also generates large quantities of liquid toxic waste…This…is usually disposed of in underground industrial waste injection wells, can be radioactive, and can also leak into groundwater…All of these processes generate large-scale human and environmental safety risks…The purpose of this letter is to bring the issue of hydraulic fracturing to the attention of the UN Working Group on Human Rights and Transnational Corporations and Other Business Enterprises…[N]ow is the time for the Working Group…to acquire knowledge about the practice and its human rights implications, to understand the risks it poses to human rights, and most importantly, to help guide society to address these impacts before they materialize and to remediate them once they have occurred...