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Regional Haze
Clear Solutions for Parks
Millions of people visit U.S. national parks and wilderness areas each year to see some of the most awe-inspiring views in the world. Visitors imagine national parks as having the…
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Air & Climate Report
Polluted Parks
Nearly every national park is affected by air pollution and climate change in adverse ways. NPCA’s “Polluted Parks” report evaluates damage from air pollution at 417 national parks based on…
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Press Release
EPA Proposes Stronger Methane Regulations to Combat the Climate Crisis and Protect the Health of National Parks and Communities
If finalized, these methane regulations will better hold the oil and gas industry accountable to reduce methane pollution and address the climate crisis.
More about Air
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Read more about Air Pollution in Colorado: Our Lives and Parks at Risk
NPCA at Work Air Pollution in Colorado: Our Lives and Parks at Risk Colorado suffers from a serious and growing air quality problem, failing year after year to meet federal standards for air that’s healthy and safe to breathe. That needs to change.
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Read more about Working for Clean Air in our National Parks
NPCA at Work Working for Clean Air in our National Parks Air pollution harms national park visitors’ health, clouds scenic views and alters our climate. And the solutions needed to resolve these problems are largely the same – we must clean up polluting fossil fuel facilities, industries, and vehicles. With your voice, we can make a difference and achieve cleaner air and a healthier climate.
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Read more about California's National Parks: Struggling for Clean Air
NPCA at Work California's National Parks: Struggling for Clean Air It might come as a surprise that California’s crown jewel national parks — Sequoia, Kings Canyon, Joshua Tree and Yosemite — struggle with some of the dirtiest air of any parks in the nation.
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Read more about Our Southwestern National Parks Deserve Cleaner Air
NPCA at Work Our Southwestern National Parks Deserve Cleaner Air Clean air is still out of reach for our Southwestern national parks.
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They preserve our nation's unique and beautiful natural places, for all citizens, and for visitors from all over the world, to enjoy. They uplift our souls. — Peggy
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Read more about EPA Puts 15 States on Notice Regarding Clean Air for National Parks
Press Release EPA Puts 15 States on Notice Regarding Clean Air for National Parks States' failure to submit required regional haze pollution reduction plans sets a two-year deadline to comply.
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Read more about Momentous Victory for Our National Parks and Communities in the Fight Against Climate Change
Press Release Momentous Victory for Our National Parks and Communities in the Fight Against Climate Change "This robust bill addresses the climate problem head-on by transitioning the nation to clean energy, reducing pollution, creating jobs and boosting the economy, all vital measures that will ensure our national parks and communities can thrive for generations to come." - Theresa Pierno, NPCA's President and CEO
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Read more about Supreme Court Ruling Will Harm People and Parks
Blog Post Supreme Court Ruling Will Harm People and Parks Today's decision will limit the abilities of the Environmental Protection Agency to do its job, and the consequences for the climate could be disastrous.
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Read more about Supreme Court Guts EPA’s Ability to Regulate Greenhouse Gas Pollution, Escalating the Climate Crisis in National Parks and Communities
Press Release Supreme Court Guts EPA’s Ability to Regulate Greenhouse Gas Pollution, Escalating the Climate Crisis in National Parks and Communities Today’s decision creates a fallout of implications for public lands and ecosystems that will be felt for generations.
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Read more about Parks Group Celebrates Phasing Out of Single-Use Plastics in National Parks
Press Release Parks Group Celebrates Phasing Out of Single-Use Plastics in National Parks With park visitation at an all-time high and the climate crisis worsening, phasing out single-use plastics will protect the very resources and wildlife we all seek to enjoy.
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Read more about NDDEQ Accepts Comments on Plans that Will Impact Visibility at National Parks
Press Release NDDEQ Accepts Comments on Plans that Will Impact Visibility at National Parks State's draft plan fails to reduce pollution, falling short of federal obligations to improve air quality.
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Read more about Clean Air Advocates Share Renewed Concerns about Utah’s Plan to Reduce Haze Pollution
Press Release Clean Air Advocates Share Renewed Concerns about Utah’s Plan to Reduce Haze Pollution Environmental advocates reject Utah's dirty regional haze plan, call for immediate change to protect public lands and public health.
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Read more about New Report Highlights Strategy to Bring Climate Goals Within Reach
Blog Post New Report Highlights Strategy to Bring Climate Goals Within Reach Reducing one high-impact pollutant could offer outsized potential to slow the rise in global temperatures — and NPCA’s advocates have already been speaking out for years about this heat-trapping gas.
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Read more about Environmental Coalition Open Letter Demands Updated Pollution Regulations in Alabama
Press Release Environmental Coalition Open Letter Demands Updated Pollution Regulations in Alabama The Alabama Department of Environmental Management must hold polluters accountable to the law and ensure our national parks and wilderness areas and their rangers, visitors, wildlife and surrounding communities have clear skies and clean air to breathe.
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Read more about Federal court sends flawed San Joaquin Valley air pollution plan back to EPA
Press Release Federal court sends flawed San Joaquin Valley air pollution plan back to EPA Appeals court found California state's plan, approved by EPA, did not contain a realistic strategy to reduce pollution
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Read more about The Case for Fixing and Building Out National Parks Air Monitoring Networks
Report The Case for Fixing and Building Out National Parks Air Monitoring Networks Our national parks are places of unparalleled natural wonder, historical significance, and cultural value, yet most are plagued by poor air quality that can threaten human health and detrimentally impact park ecosystems.
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Read more about Clean Air for Parks Fact Sheets
Fact Sheet Clean Air for Parks Fact Sheets In the fight for healthy air, laws limiting haze pollution are powerful tools—but we need to act now to sharpen them. To win the fight for clean and healthy air, deploying all means to lower pollution—like ozone and particulate matter—is a necessity.
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Read more about Ozone Fact Sheet
Fact Sheet Ozone Fact Sheet Ozone threatens the health of park visitors and contributes to the disease and death of park species such as the black cherry tree in the East and aspen and ponderosa pine in the West. National park ecosystems across the country are already showing damage from ground-level ozone pollution.
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Read more about Forward, Not Backward
Fact Sheet Forward, Not Backward Climate change is the greatest threat facing our national parks and people across the world. But the Environmental Protection Agency (EPA) is taking strident measures to strip the U.S. of necessary rules to curb climate pollution.
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Read more about 10 Ways to Be a Park Advocate
Resource 10 Ways to Be a Park Advocate Want to be an advocate for parks, but don't know where to start?
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Read more about Join Us
Video Join Us Our national parks preserve some of the most inspiring places and stories. These places belong to us all. They deserve to be celebrated and protected. It’s up to us to ensure that America’s favorite places have clean water, clear air and healthy wildlife.
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Read more about Learn More About Seeing Clearly in America’s National Parks
Map Learn More About Seeing Clearly in America’s National Parks How dirty air harms parks and what you can do to help.
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Read more about Share Your Story
My Park Story Share Your Story Let our leaders know why clean air matters to you. Share your experience!
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Read more about National Park Groups Thank President for Methane Announcement
Letter National Park Groups Thank President for Methane Announcement New rules will help protect parks from the impacts of climate change.
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Read more about Polluted Parks: How Dirty Air is Harming America’s National Parks
Report Polluted Parks: How Dirty Air is Harming America’s National Parks “Polluted Parks” graded the pollution-related damage in the 48 national parks required by the Clean Air Act to have the highest possible air quality.
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Read more about Best Available Retrofit Technology at the Cholla Power Plant
Letter Best Available Retrofit Technology at the Cholla Power Plant On behalf of National Parks Conservation Association and Sierra Club, Earthjustice respectfully submits the following comments regarding the Arizona Department of Environmental Quality’s (ADEQ) proposed Best Available Retrofit Technology (BART) “reassessment” for the Cholla Power Plant.
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Read more about Virginians for Healthy Air Newsletter
Report Virginians for Healthy Air Newsletter Virginians for Healthy Air is a network of Virginia businesses, civic groups, and nonprofit organizations that share the vision of healthy air for the Commonwealth and for Virginia’s national parks, including Shenandoah.
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