Resource Issue: Air quality

A new report details significant greenhouse gas emission sources for the counties in Arizona, Colorado, New Mexico, and Utah that make up the Colorado Plateau. The report also analyzes the capacity for carbon storage in the area and forecasts emissions to 2050 if emissions reductions are not prioritized. Read the report › Download a pdf […]

On December 2, 2021, the U.S. Environmental Protection Agency barred the White Mesa uranium mill in southeast Utah from accepting wastes from Superfund sites for processing and disposal. Read the letter › Download the 3-page letter ›

Flagstaff, AZ — On November 2, 2021, the U.S. Environmental Protection Agency (EPA) proposed new safeguards to reduce methane pollution. The Grand Canyon Trust welcomes the EPA’s proposed safeguards as an important and timely step in the right direction to slow climate change. These safeguards will create efficiency, ensure fair returns on natural resources the […]

What is Proposition 127? Proposition 127 is a constitutional amendment requiring utilities in the state of Arizona to provide at least 50 percent of their electricity from renewable energy sources by 2030, with annual interim milestones beginning in 2020. These milestones include a percentage of renewable energy from distributed sources (such as rooftop solar panels, […]

Read the comments submitted by the Sierra Club, the Center for Biological Diversity, and the Grand Canyon Trust to the Bureau of Land Management on the Draft Environmental Impact Statement regarding the Navajo Generating Station-Kayenta Mine Complex. Download the complete text ›

Read the comments submitted by the National Parks Conservation Association and the Grand Canyon Trust regarding the Draft Environmental Impact Statement for the Navajo Generating Station-Kayenta Mine Complex. Download the complete comments ›

This map shows the greenhouse gas emissions from coal, natural gas, and oil fired powerplants in Utah, Nevada, Arizona, New Mexico, and Colorado. Download the map › Maps may be used for non-commercial purposes provided that they are not altered or edited and they are appropriately credited. All map products should be credited to Stephanie Smith, […]

FOR IMMEDIATE RELEASE EPA stalls despite reports of alarmingly high radon emission levels near Southeastern Utah Communities White Mesa, Utah — New data reveals that emissions of radon – a radioactive, invisible, odorless, cancer-causing gas – from the White Mesa Uranium Mill exceed Clean Air Act (CAA) standards by over 50 times the legal limit. Using an Environmental […]

Proposal to relax radon emission standards at the White Mesa Mill threatens public health White Mesa, Utah—A lax new regulation proposed by EPA for the White Mesa Uranium Mill, the nation’s only operating conventional uranium mill, will threaten public health by eliminating enforceable emission standards for radon, reducing the amount of required reporting and monitoring, […]