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Glaciologist Eric Rignot of NASA's Jet Propulsion Laboratory and the University of California, Irvine, narrates this animation depicting the processes leading to the decline of six rapidly melting glaciers in West Antarctica. A new study by Rignot and others finds the rapidly melting section of the West Antarctic Ice Sheet appears to be in an irreversible state of decline, with nothing to stop the glaciers in this area from melting into the sea.
The study presents multiple lines of evidence, incorporating 40 years of observations that indicate the glaciers in the Amundsen Sea sector of West Antarctica "have passed the point of no return," according to glaciologist and lead author Eric Rignot.
These glaciers already contribute significantly to sea level rise, releasing almost as much ice into the ocean annually as the entire Greenland Ice Sheet. They contain enough ice to raise global sea level by 4 feet (1.2 meters) and are melting faster than most scientists had expected. Rignot said these findings will require an upward revision to current predictions of sea level rise.
"This sector will be a major contributor to sea level rise in the decades and centuries to come," Rignot said. "A conservative estimate is it could take several centuries for all of the ice to flow into the sea."
Full press release at: www.jpl.nasa.gov
Read the NYTimes Article here: www.nytimes.com
Deforestation causes more greenhouse gas emissions than all trains, planes and automobiles combined. What can we do to change this contributor to global warming? Suzanne Simard examines how the complex, symbiotic networks of our forests mimic our own neural and social networks -- and how those connections might make all the difference.
View full lesson: ed.ted.com/lessons/the-network...
John Oliver hosts a mathematically representative climate change debate, with the help of special guest Bill Nye the Science Guy, of course.
Bette Midler on Her Passion for Rebuilding Community Gardens.
The entertainer talks to Architectural Digest about her nonprofit, the New York Restoration Project, a non-profit organization dedicated to transforming open space in underserved communities to create a greener, more sustainable New York City. In partnership with the City of New York, NYRP is also leading MillionTreesNYC – an initiative to plant and care for one million new trees throughout New York City’s five boroughs by 2015, a full two years ahead of schedule. www.nyrp.org
Shane Smith embarks on an expedition to investigate why Greenland is melting, and the fact that the resulting sea level rise will mean devastation sooner than expected. This is his debrief from Season 2, Episode 2 of VICE on HBO. news.vice.com
Shai Reshef believes higher education is a right, not a privilege. In January 2009, he founded University of the People, a nonprofit, tuition-free, online university dedicated to opening up higher education to anyone in the world with a high school diploma and a willingness to learn — “regardless of who they are, where they live or what society says about them,” Reshef says at TED2014.
“We open the gates for every qualified student,” he says. “Any student from any part of the world with an Internet connection can study with us. We don’t use audio; we don’t use video; broadband isn’t necessary.” University of the People currently serves students from 143 countries, including Syria, the US, South Africa, Jordan and Nigeria.
The way the university works is this, Reshef says: University of the People keeps costs down by forgoing a brick-and-mortar institution and traditional textbooks, and by using volunteer staff — from administration to instructors — out of a group of 3,000 who offered their time. Professors from elite institutions all over the world, including New York University, Oxford University, Yale University and the University of California Berkeley volunteer their time freely. “Using open educational resources and the generosity of our professors, we don’t need to send students to buy textbooks,” he says, “All of our materials come free — even professors.”
The only cost that students face is a $100 fee per each final exam taken, and Reshef works to make sure that “nobody be left behind for financial reasons,” through scholarships and support for any student who need it. Right now, the University offers two academic programs — business administration and computer science — and that decision is purposeful, Reshef says, as “these are the two professions that are most in demand worldwide, and the likeliest to help our students to find a job.”
Just last month, University of the People received full accreditation from the Distance Education and Training Council — “the ultimate academic endorsement” — a milestone that only presses Reshef to work harder to open education up to more students. “We’ve demonstrated that our model works,” he says, “It’s our time now to scale up.”
“A new era is coming,” he says, “the disruption of the higher education model as we know it today — from being a privilege for the few to a basic right, affordable and accessible for all.” uopeople.edu
Shai Reshef is an Israeli businessman and educational entrepreneur. He holds an MA from the University of Michigan in Chinese Politics. He lives in Pasadena, California with his family.
Ric Kaner set out to find a new way to make graphene, the thinnest and strongest material on earth. What he found was a new way to power the world, as graphene (pure carbon) stores and releases large amounts of energy very rapidly.
In this excerpt, Gabor Forgacs, PhD (University of Missouri-Columbia & Modern Meadow), explains the work being done to build things like meat and leather in the lab that are suitable for human consumption and use.
At the December 12, 2013, conference Frontiers in Agricultural Sustainability: Studying the Protein Supply Chain to Improve Dietary Quality, speakers from different sectors in nutrition and health, including academia, non-governmental organizations, the food industry, and start-up companies, discussed sustainable solutions to the world's food needs. The conference, presented by the Sackler Institute for Nutrition Science at the New York Academy of Sciences, focused on improving the protein supply chain, especially through programs designed to increase access to a high-quality diet for malnourished populations.
View the full talk, along with other videos from the conference here: www.nyas.org/ProteinSupply
Paul Wheaton, the bad boy of Permaculture was proclaimed by Geoff Lawton in 2012 the Duke of Permaculture. He is the creator of two on-line communities. One is about Permaculture, Permies.com, and one is about software engineering, CodeRanch.com.
Paul is a powerful advocate of Sepp Holzer's techniques for which a recent study showed they have the ability to feed 21 billion people without the use of petroleum or irrigation. He also promotes the use of hugelkultur, which sequesters carbon and eliminates the need for irrigation, and polycultures, which reduces the need for pest control and improves the health of plants. He wrote several articles about lawn care, raising chickens, cast iron and diatomaceous earth. Paul regularly uploads permaculture videos and permaculture podcasts.
In the series "The Secret Life of a Food Stamp," Marketplace reporter Krissy Clark traces how big-box stores make billions from the federal Supplemental Nutrition Assistance Program, aka food stamps. What's more, the wages of many workers at these stores are so low that the workers themselves qualify for food stamps—which the employees then often spend at those big-box stores.
This video crunches the numbers on how much Walmart, the single biggest beneficiary of the food stamp economy, might have to raise prices across the board to help a typical worker earn a living wage.
A note on methodology: Eligibility for food stamps varies according to income, number of dependents, and other factors. This estimate of Walmart's potential cost from raising wages is based on wages for a Walmart employee with one dependent working 30 hours a week, a typical retail worker based on federal data. slate.me/1j6hRyo
Biologist, mother and activist Sandra Steingraber joins Bill to talk about the need to build awareness about toxins contaminating our air, water and food that threaten our children's health. With government captured by the very industries it's supposed to regulate, Steingraber says she's lost patience with politicians and corporations, but that our kids need to know "mom is on the job" of preventing destruction to the environment.
“I am betting that in between my children's adult lives and my own, an environmental human rights movement will arise – one whose seeds have already been sown. It will take up with urgency the task of rescue and repair of our ecological system upon which all of life depends. At the same time [it] will take up with equal fervor the task of divorcing our economy from its current dependencies on chemical toxicants that trespass inside our bodies without our consent.”
Sandra's book on the environmental links to cancer, Living Downstream: An Ecologist Looks at Cancer and Environment, was released as a documentary film in 2010. Her most recent book is Raising Elijah: Protecting Children in an Age of Environmental Crisis. She also wrote Having Faith: An Ecologist's Journey to Motherhood. Hailed by the Sierra Club as “the new Rachel Carson,” Steingraber is presently at work on a book about the environmental life of children.
A seafloor mandala created by a five inch male pufferfish to attract females. The males spend seven to nine days swimming back and forth while hitting the sand with fins and tail in strategic spots. They also adorn the peaks with shells and coral. The circles can be up to seven feet in diameter. After a mate is attracted, they mate and she lays her eggs in the center of the circle. The male sticks around till the eggs hatch, but no longer maintains the circle once the task of attracting a female has been successfully accomplished. Amazing!
Hippo saves Gnu from a Crocodile and then helps him to shore and then stays by concerned for the injured animal.
Although this video is sad due to the injured state of the gnu it is uplifting in the compassion displayed by the hippo for his fellow neighbor.
Video by Vadim Onishchenko captured on Mara River. Might wish to turn down music.
"'You can’t eat beauty, it doesn’t feed you' (so said Lopita's mother) and these words plagued and bothered me; I didn’t really understand them until finally I realized that beauty was not a thing that I could acquire or consume, it was something that I just had to be.”
The ESSENCE Breakthrough Performance Award-winner spoke poignantly about true beauty, confidence, and what it means to see reflections of ourselves celebrated.
Swimming with wild orcas in New Zealand’s Pelorus Sound.
"When I saw the dorsal fins and realized it was an orca I was so excited I didn't have time to be afraid and get out of the water,” Gerard told The Marlborough Express. Highly intelligent hunters, orcas would “know the difference between a human and a seal,” said Roy Grose, a local conservationist.
It’s illegal in New Zealand to willfully swim with wild orcas, but that does not apply in this case. “The orcas approached him and that’s fine, there’s no problem with that,” said Grose.
Wild orcas are not considered a threat to humans. There have been only four reports of wild orcas showing minor aggression to people, and none of the recorded incidents have been serious.
The Navy is prepared to kill nearly 1,000 whales and other marine mammals during the next five years of testing and training with dangerous sonar and explosives. Tell Secretary of Defense Chuck Hagel to direct the Navy to adopt commonsense safeguards that will protect marine mammals during routine training without compromising military readiness.
Pierce Brosnan: "In the darkness of the ocean, whales depend on their hearing for survival - to find food, migrate, and communicate. But the US Navy has a new plan for training with high-powered sonar and explosives that will bombard whales with intense noise. The Navy itself predicts that nearly 1,000 whales and other marine mammals could be killed. Thousands more will be deafened. And in the darkened sea, the deaf whale is a dead whale. The Navy should be putting vital whale habitat off-limits to sonar and explosives during routine training. But they won't do that unless you and I speak out right now. With one click, you can make your voice heard. And please, share this message. Together we can save the whales.
JOIN WITH PIERCE BROSNAN TO STOP WHALES FROM DEADLY SONAR: https://secure.nrdconline.org/site/Ad...
World Science U brings you science like never before, making it visual, interactive, and exciting.
Brian Greene, Columbia University Professor, is teaching the first two courses, on the wonders of Einstein's Special Relativity. They're free. And more are coming. On a wide range of subjects.
Sign up to get the first alert when they go live.
While the "Mad Men" in this video aren't real, Dow Chemical's genetically engineered "Agent Orange" crops unfortunately are. Learn more and take action at www.dow-watch.org
Have you heard of super weeds? Big industrial farms have been using so much of Monsanto's Roundup herbicide on Roundup Ready genetically engineered crops, the weeds have evolved resistance. They spray the herbicide on the plant in hopes that it will kill everything other than the genetically engineered corn or soybeans. But when the weeds survive, industrial farms turn to older, more toxic chemicals like 2,4-D to kill them.
While "superweeds" are a real problem for America's farmers, they apparently aren't a problem for Dow Chemical. In fact, Dow welcomed it in glowing terms as "a new era" and "a very significant opportunity" for chemical companies like Dow Chemical.
A significant opportunity? Dow Chemical wants to put even more toxic 2,4-D on our food crops and we're just supposed to eat it? What on Earth were they thinking? We started to wonder what that conversation must have been like for Dow Chemical to determine how to market a toxic product, and we think it may have gone something like this.
What is 2,4-D? It is half of the highly toxic chemical mixture called Agent Orange that the military used as a defoliant during the Vietnam War. 2,4-D has been linked to non-Hodgkin's lymphoma, lowered sperm counts, liver disease, and Parkinson's disease. Studies have also demonstrated the chemical's adverse effects on hormonal, reproductive, neurological, and immune systems. To make matters worse, 2,4-D is the 7th largest source of dioxins in the U.S.
Dow Chemical insists that the use of 2,4-D is safe. But they also assured the public that an insecticide called Dursban was safe...until the Environmental Protection Agency (EPA) fined Dow Chemical $800,000 for illegally withholding over 250 reports of poisonings, including many that occurred even when the product was used correctly. And they expect us to trust their word on the safety of 2,4-D?
Dow Chemical is asking the USDA for permission to sell these "Agent Orange" Crops, unlabeled, to the public. Learn more and tell USDA NO on "Agent Orange" crops at www.dow-watch.org
Dow Chemical, the same company that brought us Dursban, Napalm, and Agent Orange, is now in the food business and is pushing for an unprecedented government approval: genetically engineered (GE) versions of corn and soybeans that are designed to survive repeated dousing with 2,4-D, half of the highly toxic chemical mixture Agent Orange. Do you trust Dow Chemical with your food?
Find out more about Dow Chemical's sordid history and what you can do to stop their new genetically engineered "Agent Orange" crops at www.dow-watch.org
This visualization shows how global temperatures have risen from 1950 through the end of 2013. It shows a running five-year average global temperature, as compared to a baseline average global temperature from 1951-1980.
NASA scientists say 2013 tied for the seventh warmest of any year since 1880, continuing a long-term trend of rising global temperatures. With the exception of 1998, the 10 warmest years in the 133-year record all have occurred since 2000, with 2010 and 2005 ranking as the hottest years on record.
NASA's Goddard Institute for Space Studies (GISS) in New York, which analyzes global surface temperatures on an ongoing basis, released an updated report Tuesday, Jan. 21, on temperatures around the globe in 2013. The comparison shows how Earth continues to experience warmer temperatures than several decades ago.