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Category: Environment

How human noise affects ocean habitats | Kate Stafford

Sonar systems developed for the U.S. Navy to detect enemy submarines generates slow-rolling sound waves at around 235 decibels. For reference, the world’s loudest rock bands top out at only 130. These waves are able to travel for hundreds of kilometers under water and can retain intensity as far as 500 kilometers from their source. …

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Harvard University: More Ocean, Less Plastic | Anna Cummins

The problem of plastic pollution in the oceans is now a recognized threat to the health of our global marine ecosystems. We need new solutions to this ubiquitous plague. The project ‘5 Gyres’ has spent the last seven years surveying plastic pollution across the world’s subtropical gyres, oceanic systems that concentrate floating debris. The goal …

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ESA: Larsen-C crack across Antarctic ice shelf

As you probably know, an ice sheet about the size of New Jersey is about to be broken off from Antarctica. The ESA Copernicus Sentinel-1 satellite mission is continually monitoring the growing crack in Antarctica’s Larsen-C ice shelf. When the ice shelf breaks off or ‘calves’, it will create one of the largest icebergs ever …

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Chris Bowler: The Future of Ocean Ecosystems

This Harvard University lecture features Chris Bowler, who explores how past environments affected diatoms and can thus help understand how climate change will affect them in the future.  

A young inventor’s plan to recycle Styrofoam | Ashton Cofer

From packing peanuts to disposable coffee cups, each year the US alone produces some two billion pounds of Styrofoam — none of which can be recycled. Frustrated by this waste of resources and landfill space, Ashton Cofer and his science fair teammates developed a heating treatment to break down used Styrofoam into something useful.  

Two-thirds of Great Barrier Reef now devastated by coral bleaching

It was reported that 67 percent of the northern part of the Great Barrier Reef in Australia suffered coral bleaching during the later half of 2017. Now, researchers have found that the reef this year been exposed to bleaching again. This time, the part in the middle was hit the hardest. While El Niño was …

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Nobel Prize: Six Nobel Laureates discuss the flavor of creativity | 2016 Nobel Week Dialogue

Nobel laureates Muhammad Yunus (2006 Nobel Peace Prize), Richard J. Roberts (1993 Nobel Prize in Physiology or Medicine), Christiane Nüsslein-Volhard (1995 Nobel Prize in Physiology or Medicine), Elizabeth Blackburn (2009 Nobel Prize in Physiology or Medicine), Steven Chu (1997 Nobel Prize in Physics), Angus Deaton (2015 Prize in Economic Sciences) speak about the concept of …

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Nexus Media Studios: What Is 3D Farming?

As it becomes less and less arable land around the world and we humans are getting more numerous – we need to find new ways to secure the food supply in the future. To grow things under water may be just one of those ways, according to the company Thimble Island Ocean Farm.  

NASA: Older Arctic Sea Ice Disappearing

This video by NASA Goddard clearly illustrates how the Arctic sea ice has not only been shrinking in surface area in recent years, it’s becoming younger and thinner as well. The animation shows the ice cover as it pulses through the seasons. Narrated by cryospheric scientist Dr. Walt Meier of NASA Goddard Space Flight Center. …

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National Geographic: Before the Flood – Full Documentary

Join Leonardo DiCaprio as he explores the topic of climate change, and aims to discover what must be done today to prevent catastrophic disruption of life on our planet in the future. The Oscar-winning actor’s documentary Before The Flood debuted in its entirety overnight via National Geographic’s YouTube channel, quickly racking up to over 5 …

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Stockholm Resilience Centre: Changes in our oceans compared to changes on land | Malin Pinsky

Are ocean ecosystems moving in the same direction as terrestrial ones? Seminar with Malin Pinsky, 16 September 2016 The same ecological and evolutionary processes operate in both marine and terrestrial environments, and yet marine ecosystems have substantially different physical conditions, geographic patterns, and taxonomic diversity than ecosystems on land. Given these differences, do the process …

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University of California: Reimagining Food Waste | Panel Discussion

Food waste in the United States is at an all-time high. More than 40 percent of all edible food is tossed out each year and half of that is fresh but slightly imperfect produce. What to do? A panel of experts convened by Kitchens for Good and the Berry Good Food Foundation explores how to …

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Centre for International Governance Innovation: The Environment and Innovation: What Are the Real Costs?

Dr Philip O’Sullivan (OU) – This seminar will focus on environmental economics and policy. It will present the case that, despite the recent global economic downturn and recession in the United Kingdom, the current economic policy response of expanding growth driven by fossil fuel production is actually unsustainable. Rather than being the answer to increased …

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University College London: ‘Natural Capital – Valuing the Planet’ | Prof Dieter Helm CBE

Alongside global warming, the destruction of the world’s biodiversity and natural capital threatens to undermine economic growth. Another 3 billion people and a world economy some 16 times bigger by 2100 threatens environmental destruction on a scale which would make the twentieth century look positively benign. On current policies, natural capital – those assets nature …

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TED: Charles Moore: Seas of plastic

This talk was held in 2009, since then, not much has happened to deal with the enormous environmental problem of plastics – unable to be broken down in nature – that accumulate in the worlds oceans. Captain Charles Moore was the man who discovered the Pacific Gyre. The vast waste of trash that swirls in …

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ESA: Ascend – the wildlife management solution for airports

Ascend is a satellite-based wildlife monitoring tool for airports. Developed by Ascend XYZ in Denmark under ESA’s ARTES Applications programme, the service uses free images and data from Earth observation satellites combined with smart software.  

Deltares’ Aqua Monitor reveals remarkable changes in global land and water surface

How the earth has changed over the past 30 years The world has gained 115,000 km2 of water and 173,000 km2 of land over the past 30 years. The Dutch research institute Deltares developed an open tool that analyses satellite data and visualizes land and water changes around the globe. The results were published today …

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Australian National University: Humans have caused climate change for 180 years

An international research project has found human activity has been causing global warming for almost two centuries, proving human-induced climate change is not just a 20th century phenomenon. Lead researcher Associate Professor Nerilie Abram from The Australian National University (ANU) said the study found warming began during the early stages of the Industrial Revolution and …

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University of California, Berkeley: Climate Change is Here. Now What?

Berkeley Lab’s Bill Collins, an internationally recognized expert in climate modeling and climate change science, discusses what we know about climate change, how we know it, and what we can do about it. Collins serves as the director for the Climate and Ecosystem Sciences Division at Berkeley Lab. He is also the director of the …

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Nature Video: Glaciers lost in time

As the world warms, Greenland melts. We know that sea levels are rising, but it’s hard to predict how quickly Greenland’s glaciers might disappear into the sea. Anders Anker Bjørk and his colleagues are using 1930s photos to examine how these glaciers have changed over the last 80 years, and what their future might hold.

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