Tag Archives: extinction

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 →

Posted in Extinction, Nuclear, Terrorism | Tagged , , | 4 Comments

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 →

Posted in Extinction | Tagged , , | 1 Comment

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 →

Posted in Biodiversity Loss, BioInvasion, Peak Food | Tagged , , , , | 1 Comment

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 →

Posted in Biodiversity Loss, Extinction, Fisheries, Starvation | Tagged , , , , | 6 Comments

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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E. O. Wilson to save humanity from extinction, get rid of religion

Posted on March 27, 2016 by

[ Below is an excerpt, out of order, from New Scientist’s 21 Jan 2015 interview with E.O. Wilson “Religious faith is dragging us down“. The extinctions we cause will kill us too, says the sociobiology pioneer – the best thing … Continue reading →

Posted in Biodiversity Loss, Extinction, Scientists Warnings to Humanity, World's Best Scientists | Tagged , , , | 3 Comments

Gail Tverberg: 8 pitfalls in evaluating green energy solutions

Posted on November 20, 2014 by

Eight Pitfalls in Evaluating Green Energy Solutions November 18, 2014 by Gail Tverberg Does the recent climate accord between US and China mean that many countries will now forge ahead with renewables and other green solutions? I think that there are … Continue reading →

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People are devouring the earth: 83% of land, 60% freshwater runoff, 40% of plants, 35% of productivity of oceanic shelf, 98% of land that can grow rice, wheat, corn

Posted on March 14, 2014 by

Hillary Mayell. October 25, 2002. Human “Footprint” Seen on 83 Percent of Earth’s Land. National Geographic News. There is little debate in scientific circles about the importance of human influence on ecosystems. According to scientists’ reports: Humans use 83% of … Continue reading →

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20% of Invertebrate species threatened with extinction.

Posted on September 4, 2012 by

Brendan Borrell. Sep 3, 2012. One Fifth of Invertebrate Species at Risk of Extinction. Freshwater snails and reef-building corals are among the threatened groups. Nature & Scientific American. One in five of the world’s invertebrate species are threatened with extinction, … Continue reading →

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