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Why Earth Won't Cope With
Humans Much Longer

Frosty Wooldridge
In this continuing series on overpopulation in America by Marilyn Hempel, editor of Population Press, you, a concerned citizen, will find more information than anything in the main stream media. In the current edition of Population Press, Hempel features John Gibbons with "Six reasons why Earth won't cope for long." www.populationpress.org
This article was written on the eve of the last day of the Copenhagen Climate Conference. The pressing reality, the dangerous convergence of environmental and resource crises, has not diminished.
Richard Heinberg, author of Peak Everything: Facing a Century of Declines, said,
"...the discussions in Denmark took place in a conceptual fantasy world in which climate change is the only global crisis that matters much; in which rapid economic growth is still an option; in which fossil fuels are practically limitless; in which a western middle class staring at the prospect of penury can be persuaded voluntarily to transfer a significant portion of its rapidly evaporating wealth to other nations; in which subsistence farmers in poor nations should all aspire to become middle-class urbanites; and in which the subject of human overpopulation can barely be mentioned.
... It's no wonder more wasn't achieved in Copenhagen." 
"As world leaders arrive in Copenhagen for the crunch phase of the climate conference, the focus turns to what kind of deal is likely to emerge," said Gibbons. "Pre-eminent climate scientist Prof James Hansen of the Nasa Goddard Institute has already given the entire process the kiss of death. Any political deal cobbled together is, he believes, likely to be so profoundly flawed as to lock humanity on to "a disaster track."
"Hansen voiced publicly what environmental scientists and campaigners have murmured all year. A political fudge that ducks science is the likeliest outcome at Copenhagen. Earlier this week, for instance, EU fisheries ministers agreed a deal that pleased government and fishermen. However, it does little to arrest the progressive annihilation of a common resource that, like our atmosphere, is owned by no one-and so exploited by all.
"The world faces a dangerous convergence of environmental and resource crises, not all directly climate related. All, however, are increasingly difficult to resolve in a rapidly warming world. Taken together, they are not amenable to a business-as-usual political response. Here, in no particular order, are six:
1. Population Pressure: Sir David Attenborough has witnessed how the natural world is being crushed by humanity. "I've never seen a problem that wouldn't be easier to solve with fewer people, or harder-and ultimately impossible-with more," he says. The Earth must provide for around 80 million more people than this time last year. It took us almost 10,000 years to reach a billion people. We now add that many every 12-15 years.
2. Biodiversity: "The world is currently undergoing a very rapid loss of biodiversity comparable with the great mass extinction events that have previously occurred only five or six times in the Earth's history," says the World Wildlife Fund. It has tracked an astonishing 30% decline in the Earth's biodiversity between 1970-2003. Overpopulation, hunting, habitat destruction, deforestation, pollution and the spread of agriculture are leading to as many as 1,000 entire species going extinct every week-that's a species every 10 minutes. The economic cost of destroying biodiversity is also immense. A 2008 EU study estimated the cost of forest loss alone is running at $2-$5 trillion (¤1.3-¤3.4 trillion) annually.
3. Ocean Acidification: The evidence of the effects of increased CO2 levels on the world's oceans is unequivocal. Surface ocean acidity has increased by 30% since 1800, with half this increase occurring in just the last three decades. The rate of change in oceanic pH levels is around 100 times faster than any observed natural rate. Increasing acidity is impeding the ability of plankton called foraminifera to produce shells. These creatures form the base of the entire marine food system. The world's vital reef systems are also in peril from acidification.
4. Peak Oil: This month, the International Energy Agency formally predicted global peak oil by 2020. [Some industry analysts think it has already occurred.] Today, the world burns the equivalent of 82 million barrels of oil every day. Projected growth in energy demand will see this rise to almost 100 million barrels within a decade, but by then, output from the oilfields currently in production will have plummeted to barely a third of that. A massive energy gap is looming, and with discoveries having peaked in the mid-1960s, we are approaching the bottom of the cheap oil barrel. Non-conventional oil, renewables and nuclear will be nowhere near capable of bridging this energy gap in time. The oil shocks of the coming decade will be intense.
5. Peak Food: The global food system is predicated on plenty of cheap oil, fresh water, soil and natural gas. All four are in decline. The food riots of 2008 were an early warning of a global system in crisis. In the US, it is estimated every calorie of food energy requires 10 calories of fossil fuel energy. More food production is now being channeled into fattening animals. Meat is a tasty but entirely inefficient way to use finite food resources. Meanwhile, the UN predicts the collapse of all global commercial marine fisheries by 2048, depriving up to two billion people of food.
6. Peak Water: During the 20th century, human water usage increased nine-fold, with irrigation (for agriculture) alone using two-thirds of this total. With almost all major glaciers retreating, many river systems are at risk. Groundwater in aquifers is another key fresh water source. Over-extraction, mostly for agriculture, has caused their levels worldwide to plummet. Pollution, especially from fertilizer overuse, adds to the loss of fresh water. The [Irish] Environmental Protection Agency yesterday reported only 17% of Ireland's rivers are of "high ecological status".
"The 19th century naturalist John Muir famously wrote that "when one tugs at a single thing in nature, he finds it attached to the rest of the world". As the Copenhagen conference draws to a close, the words of a contemporary of Muir, politician and orator Robert Ingersoll, have never seemed more apt: "In nature there are neither rewards nor punishments; there are only consequences.""
John Gibbons blogs at www.thinkorswim.ie
Frosty Wooldridge has bicycled across six continents - from the Arctic to the South Pole - as well as six times across the USA, coast to coast and border to border. In 2005, he bicycled from the Arctic Circle, Norway to Athens, Greece. He presents "The Coming Population Crisis in America: and what you can do about it" to civic clubs, church groups, high schools and colleges. He works to bring about sensible world population balance atwww.frostywooldridge.com He is the author of: America on the Brink: The Next Added 100 Million Americans. Copies available: 1 888 280 7715

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