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Humans are changing the climate in profound ways, triggering rapid changes and increasing extreme events around the world, a much anticipated climate report released this morning warns. Some of these changes, particularly involving the oceans and polar regions, will be irreversible for millennia.
The climate assessments released by the Intergovernmental Panel on Climate Change are a big deal. They’re the guidebooks many governments use as they plan their climate policies. The new report lays out climate changes so far and what’s ahead if greenhouse gas emissions continue at a high rate. Robert Kopp, a lead author of the chapter on ice and oceans, explains the findings and what they say about tipping points, sea level rise and the future.
Also today:
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Stacy Morford
Environment + Climate Editor
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What might seem like small changes, like a degree of warming, can have big consequences.
AP Photo/John McConnico
Robert Kopp, Rutgers University
Some of the climate changes will be irreversible for millennia. But some can be slowed and even stopped if countries quickly reduce their greenhouse gas emissions, including from burning fossil fuels.
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Arts + Culture
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Amy Froide, University of Maryland, Baltimore County
Go back to 17th- and 18th-century England and France and you’ll see the same sort of handwringing over birthrates that we’re seeing today.
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Ethics + Religion
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Crawford Gribben, Queen's University Belfast
A controversial pastor is aiming to convert a town of 25,000 people as part of grand expansion plans. A scholar says the congregation’s influence is growing.
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Christopher Beem, Penn State
America’s founders accepted the reality of human selfishness. But, they also said people were capable of thinking for the good of the whole, which is necessary for a free society.
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Environment + Energy
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Bart Johnson, University of Oregon; David Hulse, University of Florida
Hundreds of computer simulations point to a few best strategies for keeping homes safe from fire in a warming climate.
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Education
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A.D. Carson, University of Virginia
With Congress designating Aug. 11, 2021, as Hip-Hop Celebration Day, a scholar and performer of the art form makes the case for hip-hop to become more prominent in American academe.
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Katherine A. Foss, Middle Tennessee State University
For decades, US schools have been common sites for vaccine clinics to respond to outbreaks and provide catch-up immunizations. So why are they suddenly controversial?
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Politics + Society
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Joshua Holzer, Westminster College
It may be new to Americans, but ranked-choice voting has a long history, and it is spreading rapidly across the U.S.
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Science + Technology
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Bhanukiran Gurijala, West Virginia University
A tool made for tracking criminals and terrorists has potentially been used against politicians, dissidents and journalists. Here’s how the spyware works.
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Health
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Sannisha Dale, University of Miami
Microaggressions are more subtle than outright discrimination. But they can directly affect HIV treatment outcomes.
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Margie Skeer, Tufts University
Consuming alcohol makes accidents more likely and it can harm your heart, your liver and even change your brain. But making the sale of beer, wine and hard liquor illegal flopped.
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Trending on site
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Michael A. Little, Binghamton University, State University of New York; William D. MacDonald, Binghamton University, State University of New York
The Earth is constantly changing in natural ways, but most of those changes are very slow. Humans are speeding up other changes with global warming.
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Susan J. Prichard, University of Washington; Keala Hagmann, University of Washington; Paul Hessburg, United States Forest Service
More than 40 fire scientists and forest ecologists in the US and Canada teamed up to investigate why wildfires are getting more extreme. Climate change is part of the problem, but there’s more.
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Julia Albright, University of Tennessee
According to a veterinarian, the behavior some people call 'kneading the dough' or 'making biscuits' is a clue your cat feels comfortable around you.
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