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Using scientific theories, toy ecosystem modeling and paleontological evidence as a crystal ball, 21 scientists, including one from Simon Fraser University, predict we’re on a much worse collision course with Mother Nature than currently thought.
In Approaching a state-shift in Earth’s biosphere, a paper just published in Nature, the authors, whose expertise spans a multitude of disciplines, suggest our planet’s ecosystems are careering towards an imminent, irreversible collapse.
Earth’s accelerating loss of biodiversity, its climate's increasingly extreme fluctuations, its ecosystems’ growing connectedness and its radically changing total energy budget are precursors to reaching a planetary state threshold or tipping point.
Once that happens, which the authors predict could be reached this century, the planet’s ecosystems, as we know them, could irreversibly collapse in the proverbial blink of an eye.
“The last tipping point in Earth’s history occurred about 12,000 years ago when the planet went from being in the age of glaciers, which previously lasted 100,000 years, to being in its current interglacial state. Once that tipping point was reached, the most extreme biological changes leading to our current state occurred within only 1,000 years. That’s like going from a baby to an adult state in less than a year,” explains Arne Mooers. “Importantly, the planet is changing even faster now.”
The SFU professor of biodiversity is one of this paper’s authors. He stresses, “The odds are very high that the next global state change will be extremely disruptive to our civilizations. Remember, we went from being hunter-gatherers to being moon-walkers during one of the most stable and benign periods in all of Earth’s history.
“Once a threshold-induced planetary state shift occurs, there’s no going back. So, if a system switches to a new state because you’ve added lots of energy, even if you take out the new energy, it won’t revert back to the old system. The planet doesn’t have any memory of the old state.”
The authors recommend governments undertake five actions immediately if we are to have any hope of delaying or minimizing a planetary-state-shift. Arne Mooers, an SFU biodiversity professor and a co-author of this study, summarizes them as follows.
“Society globally has to collectively decide that we need to drastically lower our population very quickly. More of us need to move to optimal areas at higher density and let parts of the planet recover. Folks like us have to be forced to be materially poorer, at least in the short term. We also need to invest a lot more in creating technologies to produce and distribute food without eating up more land and wild species. It’s a very tall order.”
Society globally has to collectively decide that we need to drastically lower our population very quickly. More of us need to move to optimal areas at higher density and let parts of the planet recover. Folks like us have to be forced to be materially poorer, at least in the short term. We also need to invest a lot more in creating technologies to produce and distribute food without eating up more land and wild species. It’s a very tall order.”
Folks like us have to be forced to be materially poorer, at least in the short term.
Originally posted by KillerQueen
reply to post by Dreine
Yes. It makes me seriously question who funded this study.
And is the threat of "imminent irreversible planetary collapse" how they are going to justify the alleged infamous Agenda 21?
"All of us are going to die unless we get rid of some of us."
Originally posted by heineken
this aint true science
true science will find better solutions to the problem..
migrating to other earth like planets for example...
this is only fear mongering