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Arctic Sea Ice Update by Dr. Tom Wagner of NASA
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An interview with NASA cryospheric scientist Dr. Tom Wagner, on the state of this summer's Arctic sea ice. More information from NASA on ice is here. Published on Aug 23, 2013

EarthSayer Tom Wagner
Date unknown Format Interview
Length unknown Keywords SustainabilityMember of Special Collection Climate Change More Details
Projected U.S. Temperature Changes by 2100 from NASA
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Published on Jul 23, 2013

The average temperature across the continental U.S. could be 8 degrees Fahrenheit warmer by the end of the 21st century under a climate scenario in which concentrations of the greenhouse gas carbon dioxide rise to 800 parts per million. Current concentrations stand at 400 parts per million, and are rising faster than at any time in Earth's history.

"These visualizations communicate a picture of the impacts of climate change in a way that words do not," says Allison Leidner, Ph.D., a scientist who coordinates NASA's involvement in the National Climate Assessment "When I look at the scenarios for future temperature and precipitation, I really see how dramatically our nation's climate could change."

These visualizations -- which highlight computer model projections from the draft National Climate Assessment -- show how average temperatures could change across the U.S. in the coming decades under two different carbon dioxide emissions scenarios.



EarthSayer Allison Leidner
Date unknown Format Visualization
Length unknown Keywords SustainabilityMember of Special Collection Climate Change More Details
Projected U.S. Precipitation Changes by 2100 from NASA
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Published on Jul 23, 2013

The climate of the southwestern U.S. could be a lot drier by 2100. The climate of the northeastern U.S. could be a lot wetter.


"These visualizations communicate a picture of the impacts of climate change in a way that words do not," says Allison Leidner, Ph.D., a scientist who coordinates NASA's involvement in the National Climate Assessment "When I look at the scenarios for future temperature and precipitation, I really see how dramatically our nation's climate could change."

New visualizations of computer model projections show how precipitation patterns could change across the U.S. in the coming decades under two different carbon dioxide emissions scenarios.

The date seen in the bottom-right corner is the mid-point of the 30-year average being shown. To learn more about the National Climate Assessment, due out in 2014, visit here.

EarthSayer Allison Leidner
Date unknown Format Visualization
Length unknown Keywords SustainabilityMember of Special Collection Climate Change More Details
Sierra Nevada Snow Pack & Snow Melt
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Snow melt from the snow pack in the Sierra Nevada mountain range provides drinking water to about 30% of California's residents, irrigates key crops in the San Joaquin valley, and runs hydroelectric power plants that supply at least 15% of the state's electricity. Scientists Martha Conklin and Tom Harmon of the University of California, Merced are conducting research at the Southern Sierra Critical Zone Observatory, using wireless sensor technology to more accurately measure snow pack and snow melt so that state water managers can make better decisions on how to allocate this precious resource. Published on Jul 12, 2013

EarthSayers Martha Conklin; Tom Harmon
Date unknown Format Series
Length unknown Keywords SustainabilityMember of Special Collection Sustainability:Water by NBC Learn and NSF More Details
Nutrient Loading in Lake Erie
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Part of the earth's largest surface freshwater system, Lake Erie is a vital source of drinking water for 11 million people. Researchers Anna Michalak, Tom Bridgeman, and Pete Richards are studying how farming practices and severe weather can increase the amount of fertilizer-derived nutrients in the water, which diminishes water quality and threatens the lake's ecosystem and the public's health.

Published on Jul 12, 2013

EarthSayers Tom Bridgeman; Pete Richards
Date unknown Format Length unknown Keywords SustainabilityMember of Special Collection Sustainability:Water by NBC Learn and NSF More Details
The Water Cycle
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This video uses animation, graphics, and video clips to illustrate and explain each of the "flow" and "storage" processes in the Hydrologic Cycle, more commonly known as the Water Cycle: precipitation, interception, runoff, infiltration, percolation, groundwater discharge, evaporation, transpiration, evapotranspiration, and condensation.

Published on Jul 12, 2013

EarthSayers Martha Conklin; Tom Harmon; Anna Michalak
Date unknown Format Series
Length unknown Keywords SustainabilityMember of Special Collection Sustainability:Water by NBC Learn and NSF More Details
The voice of the natural world by Bernie Krause
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Bernie Krause has been recording wild soundscapes -- the wind in the trees, the chirping of birds, the subtle sounds of insect larvae -- for 45 years. In that time, he has seen many environments radically altered by humans, sometimes even by practices thought to be environmentally safe. A surprising look at what we can learn through nature's symphonies, from the grunting of a sea anemone to the sad calls of a beaver in mourning.

Published on Jul 15, 2013

EarthSayer Bernie Krause
Date unknown Format Speech
Length unknown Keywords SustainabilityMember of Special Collection Biomimicry More Details
How to green the world's deserts and reverse climate change by Allan Savory
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Allan Savory is President and Co-founder of the Savory Institute in Boulder, Colorado.

"Desertification is a fancy word for land that is turning to desert," begins Allan Savory in this quietly powerful talk. And terrifyingly, it's happening to about two-thirds of the world's grasslands, accelerating climate change and causing traditional grazing societies to descend into social chaos. Savory has devoted his life to stopping it. He now believes -- and his work so far shows -- that a surprising factor can protect grasslands and even reclaim degraded land that was once desert. Published on Mar 4, 2013

EarthSayer Allan Savory
Date unknown Format Speech
Length unknown Keywords SustainabilityMember of Special Collection Climate Change More Details
Grasslands, Carbon, and Climate Change by Jeff Goebel
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In this video Jeff Goebel of AboutListening talks about the importance of restoring grasslands to pull carbon out of the atmosphere, doing so rather quickly, and the relationship of grassland restoration to climate change.

Jeff is a leading expert in helping individuals and communities attain their goals and remove the obstacles that lie in the way, with nearly twenty years of national and international successes in consensus building, conflict resolution, and visioning for sustainable solutions. As an award-winning consultant in private practice, he has worked on catalyzing positive change with everyone from non-profits to government agencies, multi-national corporations to small family ranchers. 

Jeff was interviewed by Barry Heidt of Sustainability Action Media (SAM) in September of 2012, Wisdom from the Origins Conference in Albuquerque, New Mexico. The video was produced and curated by Ruth Ann Barrett of EarthSayers.tv, voices of sustainability.

EarthSayer Jeff Goebel
Date unknown Format Interview
Length unknown Keywords SustainabilityMember of Special Collection Climate Change More Details
The Youth Climate Movement by Jessy Tolkan
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Jessy Tolkan serves as the Executive Director for the Energy Action Coalition,a coalition of 50 leading youth organizations throughout the U.S.and Canada, and hub of the Youth Climate Movement. The Energy Action Coalition leverages the powerof young people to organize on college campuses, high schools,and in local communities to build models of the clean energy future.Prior to her work at the Energy Action Coalition, Tolkan worked withleading advocacy and grassroots organizations including:United States Student Association, Young Democrats of America,and Grassroots Campaigns, Inc. As of February 15, 2010, Jessy willbegin her new role as the Political Director for Green For All,an organization committed to building the green economy strongenough to create millions of green pathways out of povertyfor low income people. In 2008, Tolkan was named one of 100 agentsof change by Rolling Stone Magazine. Uploaded on Feb 25, 2010 Source

EarthSayer Jessy Tolkan
Date unknown Format Panel
Length unknown Keywords SustainabilityMember of Special Collection Our Youth Speak Up More Details
 

Displaying 10 videos of 240 matching videos

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