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Tracking Ocean Heat With Magnetic Fields

Published on Dec 12, 2016

As Earth warms, much of the extra heat is stored in the planet’s ocean – but monitoring the magnitude of that heat content is a difficult task.

A surprising feature of the tides could help, however. Scientists at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, are developing a new way to use satellite observations of magnetic fields to measure heat stored in the ocean.

The method depends on several geophysical features of the ocean. Seawater is a good electrical conductor, so as the saltwater sloshes around the ocean basins it causes slight fluctuations in Earth’s magnetic field lines. The ocean flow attempts to drag the field lines along. The resulting magnetic fluctuations are relatively small, but have been detected from an increasing number of events including swell, eddies, tsunamis, and tides. The magnetic fluctuations of the tides depend on the electrical conductivity of the water – and the electrical conductivity of the water depends on its temperature.

This new method could be the first to provide global ocean heat measurements, integrated over all depths, using satellite observations.

Read more here. : https://www.nasa.gov/feature/goddard/...

Date unknown Format Documentary
Length unknown Keywords SustainabilityMember of Special Collection Oceans More Details

Is Climate Denial Destroying Our Planet? (Full Program)

The scientific consensus is that human activity is cooking the planet. Does President-elect Trump calling it a hoax embolden others in denial?

Many people are concerned about the climate and deeply anxious that the new administration will double down on fossil fuels and erase recent climate progress. Ten years ago Republicans John McCain and Lindsay Graham supported fighting climate change. But the party has changed it’s tune in recent years.

Climate scientist Michael Mann and Pulitzer-Prize winning cartoonist Tom Toles take a satirical look at how the issue became so divisive. Cristine Russell is a veteran science journalist with deep knowledge about the politicization of science. Renee Lertzman gets to the psychology of it all. Are we all in denial to some extent? Can better communication help us expand common ground and move on to solutions? Join us for a fun and informative look at manufactured doubt and genuine skepticism.

EarthSayers Renee Lertzman; Cristine Russell; Tom Toles
Date unknown Format Panel
Length unknown Keywords SustainabilityMember of Special Collection Climate Change More Details

Bill Mckibben One-on-One November 2016

Published on Nov 16, 2016

350.org founder and climate activist Bill McKibben sits down with Climate One's Greg Dalton for a discussion on activism and the next steps for the environmental movement.

To order his book, Oil and Honey, from Amazon click on the image or visit your local bookstore.

EarthSayer Bill McKibben
Date unknown Format Interview
Length unknown Keywords SustainabilityMember of Special Collection Climate Change More Details

The Arctic: A Dynamic Environment by GreenTv

Published on Oct 17, 2016

A visually compelling film which showcases the global impact and ambition of the United Kingdom’s Arctic science community. Demonstrating how great ideas, combined with world-class infrastructure and new international partnerships, reveal a dynamic future for the UK in this fragile, and vitally important, part of the world.

To find out more about the Arctic visit here.

Date unknown Format Instructional
Length unknown Keywords SustainabilityMember of Special Collection Climate Change More Details

Investigation of Impact of Climate Change in Yamal Peninsula, Russia

Published on Oct 17, 2016

Soaring Arctic temperatures have led to an outbreak of anthrax in the Yamal peninsula, Russia, triggered by unusually warm weather and the thawing of permafrost that once covered contaminated cemeteries and animal burial grounds. A Greenpeace Russia team visited the region to investigate the impact of climate change on the environment and indigenous life.

Date unknown Format Documentary
Length unknown Keywords SustainabilityMember of Special Collection Climate Justice More Details

Storage of Carbon Underground by Herbert Huppert FRS

Published on Oct 12, 2016

Bakerian Prize Lecture by Professor Herbert Huppert FRS Institute of Theoretical Geophysics at the University of Cambridge.

EarthSayer Herbert Huppert
Date unknown Format Speech
Length unknown Keywords SustainabilityMember of Special Collection Climate Change More Details

On Global Warming's Six Americas by Anthony Leiserowitz

Uploaded on Oct 18, 2010

Anthony Leiserowitz, director of the Yale Project on Climate Change Communication, Yale School of Forestry and Environmental Studies, talks about the findings from his "Six Americas" study on what the American public believes about climate change. A must read.

EarthSayer Anthony Leiserowitz
Date unknown Format Instructional
Length unknown Keywords SustainabilityMember of Special Collection Climate Justice More Details

Securing the Legal Right to a Stable Climate with Julia Olson

Published on Aug 30, 2016

Julia Olson, Executive Director for Our Children's Trust in a sit down interview with 350 Eugene's Megan Kemple on August 24, 2016

EarthSayers Megan Kemple; Julie Olson
Date unknown Format Length unknown Keywords SustainabilityMember of Special Collection Climate Justice More Details

Young Peoples Burden with Kivlehan and Hansen

Published on Oct 4, 2016

"... the assumption that young people will somehow figure out a way to undo the deeds of their forebears, has crept into and spread like a cancer through UN climate scenarios."

A conversation between Climate Scientist Dr. James Hansen and his granddaughter Sophie Kivlehan.

YOUNG PEOPLE’S BURDEN:Requirement of Negative CO2 Emissions by James Hansen et. al. Download PDF here.

EarthSayers Dr. James Hansen; Sophie Kivlehan
Date unknown Format Interview
Length unknown Keywords SustainabilityMember of Special Collection Climate Justice More Details

Climate change can't 'be left to a future generation' by Pope Francis

Published on Sep 23, 2015

Pope Francis said Wednesday at the White House that climate change "can no longer be left to a future generation."

EarthSayer Pope Francis
Date unknown Format News
Length unknown Keywords SustainabilityMember of Special Collection Climate Justice More Details

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