Earth faces 'biological annihilation' as scientists warn of sixth mass extinction

We could be on our way to another mass extinction in the coming centuries, and scientists say it's our fault.

This extinction would be the 6th one in the last 500 million years.

However, unlike the dinosaurs and others, caused by natural climate changes or meteor strikes, a new study published in the Proceedings of the National Academy of Sciences says this one is due to deforestation, overpopulation and man made global warming.

According to the study, nearly 50 percent of animal species that once lived on Earth have disappeared, causing gaps in natural systems that scientists say make civilization possible.

CNN reports scientists can hear gaps in insects natural noises that don't really reflect a healthy ecosystem.

Mammals in south and southeast Asia have been hit the hardest, and scientists say humans aren't changing their habits anytime soon.

RELATED: Animals that went extinct in last 100 years

Animals that went extinct in last 100 years
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Animals that went extinct in last 100 years

Baiji dolphin

Year declared extinct: 2007

Photo: Getty

Thylacine, also known as 'Tasmanian wolf' or 'Tasmanian tiger'

Year declared extinct: 1986

Photo: Getty

Pinta tortoise

Year declared extinct: 2012

Photo: Getty

Golden toad

Year declared extinct: 1989

Photo: Getty

Caribbean monk seal

Year declared extinct: 2008

(Photo public domain via Wikipedia)

Caspian tiger

Year declared extinct: 1958 or 1970

(Photo public domain via Wikipedia)

Formosan clouded leopard

Year declared extinct: 2013

(Photo public domain via Wikipedia)

Pyrenean ibex 

Year declared extinct: 2000

(Photo public domain via Wikipedia)

Toolache wallaby

Year declared extinct: 1937 or 1970's

(Photo public domain via Wikipedia)


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