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Author Topic: Global Warming is WITH US  (Read 24391 times)

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AGelbert

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Re: Global Warming is WITH US
« Reply #1350 on: June 08, 2018, 06:20:08 pm »



June 8, 2018

Marine Heat Waves, Changing Ocean Currents and Capitalism’s Threat to Life

SNIPPET 1:

June 8 is World Oceans Day, a day to celebrate and honor the oceans. Today, the oceans are under increasing threat. They’re being degraded by human society, so on World Oceans Day and beyond, let us commit to preserving and protecting the oceans, the source and basis of planetary life.

It would have been unthinkable not many years ago to imagine the impending death of the Great Barrier Reef. The world’s largest living structure and a world heritage site unsurpassed for its tremendous beauty, the Great Barrier Reef has been one of the planet’s most important ecosystems. Now, after consecutive years of prolonged, extreme marine heat waves in 2016 and 2017, one-half of the reef is dead.

Yet the reef, which has gone through immense challenges over millions of years of changing climates, is not entirely gone yet. Leading coral reef scientist Terry Hughes recently told the Guardian that, “The Great Barrier Reef is certainly threatened by climate change, but it is not doomed if we deal very quickly with greenhouse gas emissions. Our study shows that coral reefs are already shifting radically in response to unprecedented heatwaves.”

Further work from other research teams documented in April that globally, marine heat waves have increased in frequency and are of longer duration. Scientists from the Australian Research Council’s Centre of Excellence for Climate Extremes and the Institute of Marine and Antarctic Studies published a study finding that between 1925 and 2016, marine heat waves occurred 34 percent more often, and lasted 17 percent longer. The result has been a 54 percent increase in the number of marine heat wave days happening each year globally.

The study brought together a range of ocean temperature data over the time period studied. Controlling for climate variability, the authors were able to determine that the increase in marine heat waves was related to an increase in sea surface temperature. “With more than 90 percent of the heat from human-caused global warming going into our oceans, it is likely marine heat waves will continue to increase,” said study co-author Neil Holbrook from the University of Tasmania.

The paper cites the impact of recent marine heat waves in a number of the world’s oceans, concluding that, “These events resulted in substantial ecological and economic impacts, including sustained loss of kelp forests, coral bleaching, reduced surface chlorophyll levels due to increased surface layer stratification, mass mortality of marine invertebrates due to heat stress, rapid long-distance species’ range shifts and associated reshaping of community structure, fishery closures or quota changes, and even intensified economic tensions between nations.”

The news of increasing ocean heat waves and their devastating impact is truly alarming, especially in connection with the many other signs of accelerating climate change and general ecological crisis, including in just the past several months.

Arctic, Antarctic Melt and the Ocean Conveyor Belt

An enormous waterfall gushes off the Nansen Ice Shelf. Credit: Jonathan Kingslake

SNIPPET 2:

The Problems of Trump🦀 and Capitalism

Faced with this situation of potential ecological catastrophe, Trump and his allies who wield power in the US, lie that global warming is a fabrication, a hoax, or impossible to confirm. They deny the overwhelming evidence and cover over clearly demonstrated science. But this isn’t just a denial of reality, as bad as that is.

This is, as The New York Times journalist Justin Gillis said of Scott Pruitt’s 🦀 denial of climate change, a “civilization-threatening lie.” This is a conscious act that sows confusion, denies people knowledge and prevents them from being able to respond to the existential danger climate change represents.

Trump, the Environmental Protection Agency (EPA), the Interior Department and other agencies are moving as fully and as quickly as they can to overturn or eliminate every rule, regulation and barrier that stands in the way of fossil fuel 🐉🦕🦖 development and use.

Their goal is to protect the “freedom” of giant corporations to plunder the natural world to maximize their profitability, and to enhance US “energy dominance,” no matter the destruction it brings.

Full article:


https://truthout.org/articles/marine-heatwaves-changing-ocean-currents-and-capitalisms-threat-to-life/

Leges         Sine    Moribus     Vanae   
Faith,
if it has not works, is dead, being alone.

 

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