» Global Warming


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Microbes on ocean seafloor play a role in climate change

The Guardian reports, 6th May 2016 : Microbes are hardly the poster-children of climate change, but they have far more impact than polar bears on Earth’s carbon cycle — and therefore on our climate. A new study published in Science Advances finds that seabed bacteria and archaea (which look like bacteria but have very different genetics […]

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Great Barrier Reef bleaching severest in its northern coral reefs

The Washington Post reports, 20th April 2016: The conclusions are in from a series of scientific surveys of the Great Barrier Reef bleaching event — an environmental assault on the largest coral ecosystem on Earth — and scientists aren’t holding back about how devastating they find them. Australia’s National Coral Bleaching Task Force has surveyed […]

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A collapse in Antarctic ice sheets could raise sea levels by 2 metres by 2100

The Guardian reports, 30th March 2016: Sea levels could rise far more rapidly than expected in coming decades, according to new research that reveals Antarctica’s vast ice cap is less stable than previously thought. The UN’s climate science body had predicted up to a metre of sea level rise this century — but it did […]

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Arctic 2016 winter temperature is breaking records

The Washington Post, 18th February 2016, reports: New data from NASA and the National Oceanic and Atmospheric Administration suggest that January of 2016 was, for the globe, a truly extraordinary month. Coming off the hottest year ever recorded (2015), January saw the greatest departure from average of any month on record, according to data provided […]

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Canadian NW Passage open to navigation in summer months

The Guardian reports, 12th February 2016: For centuries, explorers have sought to navigate the Northwest Passage — a shortcut from Europe to Asia that wouldn’t require sailing around the southern extremes of Africa or South America. For much of that time, the idea was something between a flight of fancy and a dangerously unapproachable challenge. […]

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Fish sensory abilities affected by increased CO2 levels in the oceans

The Sydney Morning Herald, 21st January 2016, reports: Ocean fish around the world risk becoming lost at sea if carbon dioxide concentrations in seawater continue to rise on current trajectories, a study from the University of New South Wales, Australia, has found. The study, published in the journal Nature, is the first global analysis of […]

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Oceans are the “sink” that is taking the brunt of global warming, say researchers

The Guardian reports, 18th January 2016: Ocean water has absorbed more than 90% of the excess heat and nearly 30% of the carbon dioxide generated by human consumption of fossil fuels. The world’s oceans are warming at a quickening rate, with the past 20 years accounting for half of the increase in ocean heat content […]

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NOAA reports that Arctic is warming at 2°F above average

Oceannews.com reports, 16th December 2015: A new National Oceanic and Atmospheric Administration (NOAA) sponsored report shows that air temperature in 2015 across the Arctic was well above average with temperature anomalies over land more than 2 degrees Fahrenheit above average, the highest since records began in 1900. Increasing air and sea surface temperatures, decreasing sea […]

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Great Barrier Reef is expected to undergo a new “bleaching event”, say scientists

ABC News, Australia, reports 19th December 2015: Marine biologists studying the Great Barrier Reef are preparing for widespread coral bleaching early next year with an El Nino weather event predicted to turn many of the animals white. Earlier this year, scientists predicted that the world’s third mass coral bleaching will happen in early 2016 and […]

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Climate talks: What difference will temperature rise make to the oceans?

The Guardian, based on IPCC and Met Office data, reports 4th December 2015: Negotiators in Paris are trying to craft a deal at the UN climate talks that will keep global temperature rise below 2°C. But what does that mean in reality — and what difference will a couple of extra degrees really make? 1°C […]

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Sea bird populations on St Kilda are being profoundly affected by climate change

The Guardian reports, 4th December 2015: The survival of seabirds including puffins and kittiwakes on St Kilda — the island archipelago home to one of the world’s most important seabird populations — is being threatened by climate change, striking new evidence shows. Naturalists have discovered that the kittiwake, a small migratory gull with ink-black wing […]

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Global average temperature the highest on record, with 90% being absorbed by the oceans

The Ecologist reports, 28th November 2015: As climate negotiators gather in Paris for the Conference of the Parties (COP21), the World Meteorological Organisation (WMO) says that a combination of human and natural causes will make 2015 temperatures the hottest ever — half way to the 2°C ‘safety threshold’, with ocean surface temperatures at the highest […]

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NEF launch economic action plan to regenerate coastal communities

New Economics Foundation (NEF) News Release, 22nd September 2015: UK seas already support over 750,000 jobs in coastal areas. Yet these communities are often some of the most deprived. Could healthier and more productive seas help provide for more and better jobs in the future? Coastal communities tend to fare worse than other UK regions […]

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Double edged sword as Southern Ocean “regains” its capacity to absorb atmospheric CO2

The Guardian reports, 11th September 2015: The Southern Ocean has started to absorb more greenhouse gases after a period when the vast ocean’s uptake had slumped by about a half, a study has found. The ocean’s role as a crucial carbon “sink” appeared to be waning throughout the 1990s, but after 2002 it began to […]

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Climate Change effects on Trichodesmium bacterium have scientists puzzled

The Guardian reports, 2nd September 2015: Climate change will have irreversible and unprecedented impacts on crucial ocean micro-organisms that could trigger dramatic effects further up the food chain, according to scientists. The bacteria trichodesmium (see link for further details) is known for surviving in nutrient-poor parts of the ocean, where it converts nitrogen gas into […]

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Walrus reflect changes in the Arctic’s climate

Associated Press and ctvnews.ca report, 28th August 2015: ANCHORAGE, Alaska — Pacific walrus have come ashore on the north-west coast of Alaska in what has become an annual sign of the effects of climate change. “There appears to be several thousand animals up there,” said Andrea Medeiros, spokeswoman for the U.S. Fish and Wildlife Service […]

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Are marine phytoplankton under threat – new study investigates

Scubadiving.com reports, 31st July 2015: It’s the “dark matter” of the oceans—almost invisible, yet it rules the fate of all our seas, perhaps even planet Earth itself. PlanktonPlankton is a generic term for a wide variety of the smallest yet most important organisms form that drift in our oceans. They can exist in larger forms […]

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Eco-based engineering could protect coastal cities from rising sea levels

The Guardian reports, 6th August 2015: ‘Eco-based’ engineering systems to put sediment-laden water back on to the delta plains could prevent the loss of 500,000 hectares of wetlands in Mississippi and greatly reduce annual flood damage costs to New Orleans and the Louisiana coast. Rich nations spend huge sums to keep the seas at bay […]

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National Geographic redraws its atlas to reflect Arctic sea ice change

The Huffington Post reports, 6th August 2015: In yet another sobering sign that climate change is drastically altering our planet, National Geographic has updated its “Atlas of the World” in what it calls “one of the most striking changes in the publication’s history.” The 10th edition of the atlas now features a much smaller Arctic […]

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Pew Trust explains the Global Ocean Legacy Project

Matt Rand, Director, Pew Foundation, reports 16th June 2015: The ocean plays an essential role in sustaining life on our planet. It covers nearly three-fourths of the globe and is home to nearly half of the world’s known species—and many more yet to be discovered. The ocean provides sustenance for billions of people and myriad […]

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