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Earth may be on the brink of a sixth mass extinction on the scale of the apocalyptic event that wiped out the dinosaurs, a study claims.
The researchers say that unless action is taken now to reverse the harmful effects of human activity on eco-systems, a full-blown mass extinction could occur within a few centuries.
Recovery from such an event, which could eradicate more than three-quarters of all life on Earth, may then take millions of years.
The researchers say that unless action is taken now to reverse the harmful effects of human activity on eco-systems, a full-blown mass extinction could occur within a few centuries.
Only five previous mass extinctions have occurred in the last 540million years.
They are classified as the Ordovician event (443million years ago); the Devonian event (359million years ago); the Permian event (251million years ago); the Triassic event (200million years ago) and the Cretaceous event (65million years ago).
The last mass extinction, thought to have been triggered by a meteor impact in Mexico, was marked by the loss of 76 per cent of species including the dinosaurs.
Originally posted by DAVID64
The bad thing is, most won't even pay attention to this because it says "in a few centuries". People are short term thinkers and if it's not going to happen in a time frame that effects them, then it's not something they care about.
Within the past 500 years, it is estimated that at least 80 species of mammals have become extinct out of a starting total of 5,570 species.
This compares with an average extinction rate for mammals of less than two species disappearing every million years.
'It looks like modern extinction rates resemble mass extinction rates, even after setting a high bar on defining mass extinction,' said lead researcher Professor Anthony Barnosky, from the University of California at Berkeley.
Originally posted by Klassified
reply to post by HunkaHunka
If there's going to be a mass extinction caused by man. It will be caused not by the common man. But by those "running" this circus. And it will be intentional. They aren't putting all that money into DUMB's, Doomsday clocks, seed vaults, the Georgia Guidestones, and so on for nothing.
The population on this planet will have nothing to do with it.
Besides, there is nothing wrong with the planet. Nothing wrong with the planet. The planet is fine. The PEOPLE are [snip]. Difference. Difference. The planet is fine. Compared to the people, the planet is doing great. Been here four and a half billion years. Did you ever think about the arithmetic? The planet has been here four and a half billion years. We’ve been here, what, a hundred thousand? Maybe two hundred thousand? And we’ve only been engaged in heavy industry for a little over two hundred years. Two hundred years versus four and a half billion. And we have the conceit to think that somehow we’re a threat? That somehow we’re gonna put in jeopardy this beautiful little blue-green ball that’s just a-floatin’ around the sun?
The planet has been through a lot worse than us. Been through all kinds of things worse than us. Been through earthquakes, volcanoes, plate tectonics, continental drift, solar flares, sun spots, magnetic storms, the magnetic reversal of the poles, hundreds of thousands of years of bombardment by comets and asteroids and meteors, worldwide floods, tidal waves, worldwide fires, erosion, cosmic rays, recurring ice ages... and we think some plastic bags, and some aluminum cans, are going to make a difference?
The planet isn’t going anywhere. WE ARE! We’re going away. Pack your [snip], folks. We’re going away. And we won’t leave much of a trace, either. Thank God for that. Maybe a little styrofoam. Maybe a little styrofoam. The planet will be here and we’ll be long gone. Just another failed mutation. Just another closed-end biological mistake. An evolutionary cul-de-sac. The planet will shake us off like a bad case of fleas. A surface nuisance.
You wanna know how the planet’s doing? Ask those people at Pompeii, who are frozen into position from volcanic ash, how the planet’s doing. You wanna know if the planet’s all right, ask those people in Mexico City or Armenia or a hundred other places buried under thousands of tons of earthquake rubble, if they feel like a threat to the planet this week. Or how about those people in Kilowaia, Hawaii, who built their homes right next to an active volcano, and then wonder why they have lava in the living room.
The planet will be here for a long, long, LONG time after we’re gone, and it will heal itself, it will cleanse itself, ’cause that’s what it does. It’s a self-correcting system. The air and the water will recover, the earth will be renewed, and if it’s true that plastic is not degradable, well, the planet will simply incorporate plastic into a new paradigm: the Earth plus plastic. The Earth doesn’t share our prejudice towards plastic. Plastic came out of the Earth. The Earth probably sees plastic as just another one of its children. Could be the only reason the Earth allowed us to be spawned from it in the first place. It wanted plastic for itself. Didn’t know how to make it. Needed us. Could be the answer to our age-old egocentric philosophical question, “Why are we here?” Plastic... asshole.
Originally posted by HunkaHunka
Originally posted by Klassified
reply to post by HunkaHunka
If there's going to be a mass extinction caused by man. It will be caused not by the common man. But by those "running" this circus. And it will be intentional. They aren't putting all that money into DUMB's, Doomsday clocks, seed vaults, the Georgia Guidestones, and so on for nothing.
The population on this planet will have nothing to do with it.
If I will only pay for oil at a certain price, and in order to meet that price oil companies destroy wetlands, then I have some responsibility in that. It is in fact the common man who funds these disasters.
There's so much mystery in the past and we're already ready to give up and predict the next million.
Originally posted by HunkaHunka
On the brink: Sixth mass extinction 'that will eradicate 75% of life on Earth is drawing closer'
www.dailymail.co.uk
(visit the link for the full news article)
Earth may be on the brink of a sixth mass extinction on the scale of the apocalyptic event that wiped out the dinosaurs, a study claims.
The researchers say that unless action is taken now to reverse the harmful effects of human activity on eco-systems, a full-blown mass extinction could occur within a few centuries.
Recovery from such an event, which could eradicate more than three-quarters of all life on Earth, may then take millions of years.