HINDU NOTES-SEPTEMBER 18 2018 [UPSC IAS Current affairs]
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Hindu Notes from General Studies-01 Editorials are covered separately. HINDU NOTES are available free date wise| CLICK HERE Why do some species go extinct? News: 99 % of all species that existed on Earth are extinct. Many of them were wiped out in the five known major mass extinction events. Findings: Scientists believe we are currently in the throes of the sixth mass extinction, called the Holocene extinction. (The Holocene is the current geological epoch, which began 11,500 years ago at the close of the last Ice Age). While earlier extinction events were driven by natural causes, such as climate change, volcanic eruption, and asteroid strike, the Holocene is the first extinction event to be triggered by the activities of a species – the humans. Scientists have identified some tipping points…

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