LDEO Dec 2021 Newsletter: Earth Science News

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Lamont-Doherty Earth Observatory

Tipping Points and the Will to Act

 
Fur seal and kelp gull on Prion Island, South Georgia Islands, 2014. Credit: David E. Johnson

Fur seal and kelp gull on Prion Island, South Georgia Islands, 2014. Credit: David E. Johnsondit

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The melting Greenland Ice Sheet. Photo: Christine Zenino

How Close Are We to Climate Tipping Points?

Will overshooting 1.5°C of warming push us over climate tipping points, triggering irreversible and abrupt changes?

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A polar bear with its cub. Photo: AWeith/Wikimedia Commons

You Asked: When Will Polar Bears Go Extinct?

A recent study provides a rough timeline, but there’s still time to save them if we cut our carbon emissions.

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Our baseball-style trading cards highlight a few of Lamont-Doherty Earth Observatory’s amazing scientists, and can now be downloaded for free. Illustrations by Emily Soo

Collect Our Scientist Cards

These baseball-style cards highlight a few of our amazing scientists, and can now be downloaded for free.

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SWAIS 2C drill sites on Antarctica’s Ross Ice Shelf. (Courtesy GNS Science)

International Team to Drill Deep Through Antarctic Ice Into Ancient Sediments

The research project, dubbed SWAIS 2C, will investigate the sensitivity of the West Antarctic Ice Sheet to global warming of 2 degrees Centigrade.

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It is uncertain why overall mortality went down in rural Bangladesh at the start of the pandemic, even as urban deaths mounted. Here, villagers on an island in the Jamuna River welcome visitors in 2016. (Kevin Krajick/Earth Institute)

Where Covid-19’s Death Grip Slipped (Briefly)

In 2020, mortality rates climbed in most of the world, but dropped in the Bangladeshi countryside, for reasons that are still unknown.

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A new study suggests that a million years ago, glaciers began sticking more persistently to their beds, triggering cycles of longer ice ages. Here, ice discharged from Iceland’s Breiðamerkurjökull glacier on its way to the Atlantic ocean. (Kevin Krajick/Earth Institute)

Why Did Glacial Cycles Intensify a Million Years Ago?

A new study suggests that a million years ago, glaciers began sticking more persistently to their beds, triggering cycles of longer ice ages.

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Hudson River Field Station

Students from local Rockland high schools participate in field work at the Hudson River Field Station as part of the Day in the Life of the Hudson & Harbor event.

Five Things to Know about the Field Station!

1. Arianna Smith and Charity Dikson, students from the summer Next Generation of Hudson River Educator’s Program (Next Gen), presented as part of a youth panel on Environmental Justice at the Hudson River Watershed Alliance Annual Conference.

2. Laurel Zaima, Education and Outreach Coordinator, was interviewed for a Washington Post article for the Kids Post section about how young people also have a role in cutting carbon.

3. Margie Turrin, Director of Educational Field Programs, received the 2021 Leadership Award from the New York State Outdoor Education Association for her work in providing support and growth for professionals and programs in outdoor education. 

4. We received an education grant through the Hudson River Estuary Program: Hudson River Education: A Voice of Unity, allowing us to extend the work we are doing with the Next Gen program and linking it more directly with local community members.  

5. We were able to get back into the field for our annual Day in the Life of the Hudson & Harbor, where 3,300 students and educators safely sampled and submitted data at ~70 sites along the Hudson! 

 

Education

Earth Institute LIVE K12

K-12 students, educators, and parents, join us as our online learning series Earth Institute LIVE K12 continues, featuring live lectures and interactive activities with our scientists and experts. 

See the full line-up through June 2022 and RSVP for January sessions with Lamont scientists:

  • Jan 13 4pm – Using Tools to Explore the Changes of the Polar Regions with Lamont director of educational field programs Margie Turrin and education and outreach coordinator Laurel Zaima (Grades 6-12) – RSVP
     

  • Jan 27 4pm – Coral Chemistry and Paleohydrology with Lamont paleoclimatologist and paleoceanographer Brad Linsley (Grades 9-12 + undergraduates) –  RSVP

Watch recordings of recent talks with Lamont scientists, including:

  • Ice Flows: Using Math and Physics to Understand How with Lamont glaciologist Jonny Kingslake (Grades 10-12 + undergraduates)
     

  • Unearthing Microfossils – Keepers of the Earth’s Climate Record with Lamont Core Repository curator Nichole Anest (Grades 1-5)

 
Earth Series

To achieve the global goal of net zero emissions of greenhouse gases by 2050, the world needs to move quickly toward an unprecedented transformation of nearly every activity in modern life and across all sectors in the global economy. But what does the energy transition mean in practice? How will this impact the economy, societies, your world?

In our most recent Earth Series Lecture—Energy Transition Imperative: How Do We Get There From Here?—Columbia Climate School co-founding dean / Center on Global Energy Policy director Jason Bordoff and Columbia Climate School founding dean / Earth Institute director Alex Halliday discuss a future of profound change and action as we transition to the goal of net zero emissions. 

View the video, and stay tuned for details on our upcoming Earth Series Lecture.

 

Lamont in the Media (Selected Stories)

19th Century New England Whaling Logs Offer Clues to 21st Century Climate Change
WBUR

Fall Foliage Was Disrupted by Climate Change. It Might Be the New Normal
National Geographic

Greenland Ice Sheet Experiences Record Loss to Calving of Glaciers and Ocean Melt over the Past Year
Washington Post

COP26 Highlights an Infuriating, Depressing, Miserable Situation. And Yet…
Bulletin of the Atomic Scientists

Cutting Carbon Emissions Means Changes in Daily Lives by Embracing Technology
Washington Post

The Tales Trees Tell – From History to Climate Change
Christian Science Monitor

The ‘Last Ice Area’ May Provide an Arctic Refuge in a Warming World
Smithsonian Magazine

Weather or Not: How You Can Fight Climate Change
WABC-TV

Voyages of the R/V Vema
American Institute of Physics

New York’s Wetland Areas a Key Tool in Battle Against Climate Change
CNA

The Magic 1.5: What’s Behind Climate Talks' Key Elusive Goal
Associated Press 

COP26: This Is What Individuals Can Do to Slow Down Climate Change, According to Experts
ABC News

Fall Foliage Watch: Scientists Say Climate Change Is Doing a Number on the Northeast
CBS New York


More Media Stories

 

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