Category Archives: Extinction

The sum of Decline & Collapse if too many of these scenarios all strike very hard within a short time span of a few hundred years or less

Earth’s Magnetic Flips May Have Triggered Mass Extinctions

http://blogs.discovermagazine.com/d-brief/2014/06/10/earths-magnetic-flips-may-triggered-mass-extinctions/#.U5oyJ41dVXu Earth’s Magnetic Flips May Have Triggered Mass Extinctions At several times in Earth’s history, mass extinctions have come close to wiping life out altogether. The reasons for these catastrophes are still unclear – they’ve been blamed on everything from asteroid impacts to cosmic … Continue reading

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Without a Trace ‘The Sixth Extinction,’ by Elizabeth Kolbert

Review by Al Gore Feb 10, 2014. New York Times. Over the past decade, Elizabeth Kolbert has established herself as one of our very best science writers. She has developed a distinctive and eloquent voice of conscience on issues arising … Continue reading

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Nuclear winter: World-wide ozone loss from small nuclear war. 1 billion + deaths.

Carl Sagan first introduced the idea of a “nuclear winter”, which helped to end the cold war.  The smoke from fires started by bombs would absorb so much sun the earth wold grow cold, dry, and dark, killing plants on … Continue reading

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Phytoplankton have declined 40%: they provide food and oxygen for all creatures on Earth

This article from NewScientist discusses how phytoplankton are disappearing — and they provide half of the food animals both in the ocean and on land depend on, plus produce a great deal of the oxygen we breathe. Throw in overfishing, … Continue reading

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Why we might not go extinct

The case against extinction Energy is the master resource that unlocks all the others.  Don’t have fresh water?  No problem, just use oil to drill down 1,000 feet and bring it up.  Can’t find any fish nearby? No problem, build … Continue reading

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20% of Invertebrate species threatened with extinction.

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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Reg Morrison on methane’s potential for another major extinction event

Reg Morrison. 18 Mar 2012. The Climate Debate Is global warming real? Here’s a fresh look at an old argument.   http://regmorrison.edublogs.org You should go to the link above, it’s got great PHOTOS and a whole lot more information. EVOLUTION’S SHOTGUN  … Continue reading

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Biodiversity loss impact on ecosystem worse than climate change and pollution

David U. Hooper, et al. A global synthesis reveals biodiversity loss as a major driver of ecosystem change. Nature, 2012; DOI: 10.1038/nature11118 “This analysis establishes that reduced biodiversity affects ecosystems at levels comparable to those of global warming or air … Continue reading

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Fungi destroy bees, bats, amphibians, trees, etc

Attack of the Killer Fungi: Rising Threat Worries Scientists Wynne Parry, LiveScience   11 April 2012 An unprecedented number of diseases caused by fungi have been causing some of the most severe die-offs and extinctions ever witnessed in wild species and … Continue reading

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Jellyfish

http://www.bbc.com/future/story/20120405-blooming-jellyfish-problems (also see “The Jellyfish Joy Ride“) Smart Planet | 5 April 2012 Jellyfish blooms creating oceans of slime  by Gaia Vince In the last decade enormous plagues of jellyfish have been taking over the seas. And it is our … Continue reading

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