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International Botanical Congress Statement on Biodiversity
Cretaceous Period and the Mesozoic Era, which coincided with the loss of the last surviving dinosaurs. This was the fifth major extinction event in Earth history, a time when two-thirds of all terrestrial organisms that lived at that time disappeared and the character of life changed permanently. The current extinction ...
www.rbg.ca

March 2, 2004: The Sixth Great Extinction
Roughly 367 million years ago, once again many species of fish and 70 percent of marine invertebrates perished in a major extinction event. Then about 245 million years ago, up to 95 percent of all animals—nearly the entire animal kingdom—were lost in what is thought to be the worst extinction ... single species can precipitate a mass extinction event, it is also the first ...
www.earth-policy.org

March 5, 2002: Our Closest Relatives Are Disappearing
Gorilla populations have dropped to dangerously low levels, largely from illegal commercial bushmeat hunting. ... save other primates from being lost in what is considered the earth's sixth major extinction event, resources are needed to curb illegal logging and hunting. Illegal logging has ruined vast ...
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The Pelagic Shark Research Foundation - Biology
We may very well being in the midst of another major mass extinction that fire using bipedal primates ... Modern human (H. sapiens sapiens) have exponentially increased the rate of extinction over the past 20,000 years and the last 10,000 ... to the planet; the past century was a major global extinction event in terms of this planets ecology. It is now estimated ...
www.pelagic.org

Evolution, Mass Extinctions, and Mass Speciations
This event is marked by what is referred to as the Cretaceous-Tertiary Boundary. To see a partial discussion and excerpts on this event see ... mobile deep-water (benthic) types. Increased diversity occurs through time, and speciation follows each extinction event. Meanwhile, in spite of this overall increase of creatures, the number of four-footed ...
livingcosmos.com

why
Earth – caused by our own destruction of habitat – personal moral action to help slow such an event is heroic and benefits all ...
ecopsychology.org

EDGE of Existence :: Mammal Extinctions
Evolutionarily distinct species appear to be more threatened with extinction than expected by chance, and many have already disappeared forever. It is estimated that global extinction ... by the fossil record.  Humans have been driving this mass extinction -- by direct hunting, habitat destruction, and introducing exotic predators -- throughout history and ...
edgeofexistence.org

The Geology Department at The Field Museum
Learn about their importance in understanding the third-greatest mass extinction event in Earth history and future climate change! Meteorite shower hits Chicago suburbs First ever in ...
fieldmuseum.org

Larry Brand Flouts the Grant System
According to Lapointe, this "mass extinction event" has left just six percent of living coral. "It was like a fire raging out ...
globalcoral.org

The Politics of Extinction by Paul watson of sea shepherd
Sixty-five million years ago, a natural cataclysmic event resulted in extinction of the dinosaurs. Even with a plant foundation intact, it took more than 100 ...
www.eco-action.org