Tag Archives: extinction

Biodiversity loss has gone beyond the planetary boundaries

Posted on June 22, 2018 by

Source: Tanja Folnovic, June 23, 2015 “Loss of Biodiversity”. http://blog.agrivi.com/post/loss-of-biodiversity [ The survival of homo sapiens depends on the ecosystem that supports us, so a loss of biodiversity is a threat to our survival and ultimately can lead to extinction. … Continue reading →

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Human over-consumption causes far more biodiversity loss than climate change

Posted on January 23, 2018 by

2016-8-13. Climate change isn’t the biggest danger to Earth’s wildlife, our thirst for natural resources is even more damaging (2016-8-10 “Biodiversity: The ravages of guns, nets, and bulldozers” Nature) For better or worse, human society has developed into a force … Continue reading →

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Overfishing is driving large marine creatures extinct

Posted on August 23, 2017 by

[Overfishing is driving marine mammals extinct.  Luckily oil will soon begin a relentless decline and fishing boats won’t be able to travel to the ends of the world using spotter planes to net the remaining schools of fish.  And it … Continue reading →

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Biggest threat to biodiversity is not climate change: it’s agriculture, fishing, and hunting

Posted on April 29, 2017 by

[ This article makes the point that other factors are far more to blame for biodiversity loss than climage change. And with “peak everything“, especially peak oil, but also peak coal, and peak natural gas — greenhouse gas emissions will … Continue reading →

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Nuclear war between India and Pakistan more likely, up to a billion deaths

Posted on February 12, 2017 by

[ It doesn’t take an all out war between the United States and Russia to cause a billion or more deaths.  Even a small war could do that (Robok, A. 2007. Climatic consequences of regional nuclear conflicts. Atmospheric Chemistry and … Continue reading →

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Largest Mass Extinction caused by Mega-Eruptions in Siberia

Posted on November 17, 2016 by

Kerr, R.A. December 20, 2013. Mega-Eruptions Drove the Mother of Mass Extinctions.  Science  Vol. 342:1424  [Excerpts] After 20 years of trying, researchers have finally convicted massive volcanic eruptions in Siberia as the culprit in the greatest of all mass extinctions, … Continue reading →

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Are humans an invasive species?

Posted on October 22, 2016 by

Rob Jordan. April 5, 2016. Populations of early human settlers grew like an ‘invasive species,’ Stanford researchers find. Stanford University. When humans colonized South America, their populations grew like a typical invasive species – an initial explosive growth rapidly reached … Continue reading →

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Menhaden going extinct — the key food source at bottom of food web

Posted on October 4, 2016 by

[ This is a really long introduction so I can reply to a comment that menhaden are “neither overfished nor experiencing overfishing”.   Huh? Both their numbers and range are small compared to their original population. If there were a reduction, … Continue reading →

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The Depressing Booklist: War, Extinction, Pollution, Resource depletion, Limits to growth, Overpopulation, Collapse, Infrastructure, Peak minerals, Transportation, Postcarbon life

Posted on September 5, 2016 by

Preface. My favorite book in high school was Gibbs “The Decline and Fall of the Roman Empire”. I never imagined I’d live long enough to see my own civilization collapse. After all, we were taught in school that America was … Continue reading →

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Humans driving species to extinction 1,000 times the natural rate

Posted on July 11, 2016 by

[ According to a paper published in Science the current rates of extinction are 1000 times the background rate. This estimate is higher than previous estimates is due to a more sophisticated analysis. Other extinction news: 2017-1-18 World’s primates facing … Continue reading →

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