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Adam Markham

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About the author: Adam Markham directs the Union of Concerned Scientists’ special initiative on climate impacts. See Adam's full bio.

Climate Change is Turning up the Heat on July 4th in our National Parks

New research shows that more extreme climate conditions due to global warming are already affecting more than 250 national parks, including the Mojave National Preserve, Lake Mead National Recreation Area, the Chesapeake and Ohio Canal National Historical Park and Mammoth Cave National Park. Recent temperatures at Grand Canyon National Park have been at the extreme end of historical averages. Read More

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Climate Change is Putting Iconic Historic Sites and National Parks at Growing Risk

Heading into the Memorial Day weekend, like most people in America, my thoughts usually begin to turn to summer vacation. But this year it’s different. I’m pre-occupied with the alarming threat climate change impacts — especially wildfires and coastal flooding — poses to some of our most important and iconic historic sites and national parks. Read More

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Many World Heritage Sites are Predicted to Fall Victim to Climate Change

Hot on the heels of news that recent extreme rainfall has caused walls to collapse at ancient Pompeii in Italy, comes a new study showing that hundreds of other iconic places listed by UNESCO as World Heritage Sites are threatened by sea level rise. Philadelphia’s Independence Hall, Mont Saint Michel in France, Leptis Magna in Libya and the Tower of London are all identified as vulnerable to rising sea levels. Read More

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Climate Change in Maryland: The Health of the State’s Economy Depends on How We Respond

According to a new report from the Labor Network for Sustainability, Maryland’s working people are already suffering the consequences of climate change and many jobs may be under threat in the future. Read More

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Counting the Cost of Climate Disasters: What do Hurricane Sandy and Typhoon Haiyan Tell Us About What the U.S. and the Philippines Have in Common?

Angela Anderson, Director of the UCS Climate and Energy program, is in Warsaw for the latest round of international climate talks. In the political wake of typhoon Haiyan, she sent me this urgent dispatch about why developed and developing nations alike must consider the costs of climate impacts. And why she’s joined other activists who are fasting in solidarity with the Philippines’ chief negotiator: Read More

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Bigger, Hotter, and Longer Wildfires are the New Normal as the Climate Changes in the West

Climate change is a main driving force behind the huge uptick of dangerous wildfires the western U.S. has been experiencing during the last decade — and this year is no exception. In terms of total acreage burned, the eight worst wildfire seasons since 1960 have all occurred in the last 12 yearsRead More

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Birthplace of American Democracy Faces Threat from Accelerating Sea Level Rise

The National Park Service is having to take urgent action to protect Jamestown — the birthplace of representative government in America — from accelerating sea level rise. Read More

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Military and Civilians Alike are Battling Sea Level Rise in Tidewater Virginia

You need only drive down Messick Road in the Virginia tidewater town of Poquoson to get a sense of how vulnerable this whole region is to flooding and rising sea levels.

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Climate Change Is Disrupting Nature’s Calendar. Thoreau’s Notebooks Are Helping Show Us How.

Spring is not what it used to be. The seasonal cycles that generations of naturalists, including Henry David Thoreau and Aldo Leopold, documented so meticulously in their field notes are being thrown badly off kilter by climate change. Read More

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Ted Smith: A Visionary Conservation Leader and Climate Pioneer Remembered

Friends and family gathered last weekend at a memorial in Cambridge, Massachusetts, to celebrate the remarkable conservation legacy of Theodore McRoberts Smith, known to one and all as Ted. It was an inspiring, warm, and wonderful commemoration of a visionary leader — and Ted would have hated it. Read More

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