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  • From: SArjuna@aol.com
  • To: permaculture@lists.ibiblio.org
  • Subject: [permaculture] TV SPECIAL TOMORROW: 'Earth 2100': the Final Century of Civilization? 8 p.m. Central
  • Date: Mon, 1 Jun 2009 14:57:20 EDT

For live links, go to:
http://abcnews.go.com/Technology/Earth2100/story?id=7697237&page=1
Shivani in WI


'Earth 2100': the Final Century of Civilization?
Planet at Risk: Experts Warn Population Growth, Resource Depletion, Climate
Change Could Bring Catastrophe in Next Century
By ALEXA DANNER ABC News: Science & Technology
May 29, 2009—

It's an idea that most of us would rather not face -- that within the next
century, life as we know it could come to an end. Our civilization could
crumble, leaving only traces of modern human existence behind.

It seems outlandish, extreme -- even impossible. But according to cutting
edge scientific research, it is a very real possibility. And unless we make
drastic changes now, it could very well happen.

Experts have a stark warning: that unless we change course, the "perfect
storm" of population growth, dwindling resources and climate change has the
potential to converge in the next century with catastrophic results.

Watch "Earth 2100," a two-hour television event, Tuesday, June 2, at 9 p.m.
ET.

In order to plan for the worst, we must anticipate it. In that spirit,
guided by some of the world's experts, ABC News' "Earth 2100," hosted by Bob
Woodruff, will journey through the next century and explore what might be our
worst-case scenario.

But no one can predict the future, so how do we address the possibilities
that lie ahead? Our solution is Lucy, a fictional character devised by the
producers at ABC to guide us through the twists and turns of what the next
100 years could look like. It is through her eyes and experiences that we can
truly imagine the experts' worst-case scenario -- and be inspired to make
changes for the better.

The Future: It's Nearer Than We Think

By 2015, there are expected to be hopeful signs. Experts predict
alternative energy solutions that are currently in their infancy will gain
momentum.
Windmills may sprout up everywhere. Off the coast of Scotland, a sprawling
wave farm will harvest renewable energy from the ocean. Vatican City will meet
all of its energy needs with solar power. And the U.S. will produce
cleaner, more fuel efficient vehicles in accordance with newly unveiled
emissions
guidelines.

But will it be enough? In 2015, global demand for fossil fuels could be
massive and growing, but experts say oil will be harder to find and far more
expensive to consume.

"We have no new source of energy on the horizon that's currently capable
of being developed on a large enough scale to replace the supply of oil in
any near- term framework," says Michael Klare, professor of peace and world
security studies at Hampshire College.

If the cost of gasoline skyrockets, few may be able to afford to maintain
the lifestyles to which we've grown accustomed. There may be a mass exodus
from the suburbs, as driving gas-fueled cars becomes nearly impossible
economically. But will that convince us to change our ways?

"Until we have a crisis of some kind, I don't think we're going to be
motivated to make the really deep changes in the way we use energy, the
technologies we use, the density of our cities, our travel patterns," says
Thomas
Homer-Dixon, a political science professor and author of "The Upside of Down."

The imagined crises in Lucy's futuristic world come in the forms of
earthshaking hurricanes spawned by over-reliance on climate-damaging coal and
other
nonrenewable resources. What if climate change in our world is actually
much closer than we think? Many experts say we have to start seriously
reducing
greenhouse gas emissions by 2015, or we may pass a point of no return.

"If we continue on the business as usual trajectory, there will be a
tipping point that we cannot avert," says John P. Holdren, science advisor to
President Obama. "We will indeed drive the car over the cliff."

Scientists predict that by 2020, global catastrophes may well begin to
accelerate. The human population is expected to explode and animal species may
be dying off at a rapid rate. As the world becomes more chaotic, the costs
of mending it would grow more and more daunting. By 2030, gradually rising
temperatures may have shifted rainfall patterns around the globe, and many
experts warn much of the world may face serious shortages of our most basic
need -- water.

"By 2030, two-thirds of the world's population will be under water
stress," says Janine Benyus, science writer and founder of the Biomimicry
Institute.

Some cities will have the forethought to plan ahead. Starting in 2009, San
Diego began building huge desalination plants to turn ocean water into an
abundance of fresh water. But in the middle of the country, people may be
running out -- and there may well not be funds to transport it from the coast.
If and when a place like Tucson, Ariz., runs dry, people will panic.

"Something that will catch people's attention is the first rich city that
just runs out of water," says Homer-Dixon.

Americans may well meet these challenges with resourcefulness and work
hard to keep the threats at bay. But even as things stabilize on the home
front, experts predict hundreds of thousands of environmental refugees may
begin
streaming through Europe, fleeing droughts and famines. Millions of Latin
Americans could align on the U.S. border seeking entry, and some could
encounter violent resistance.

"I can't imagine the horrors that will take place on the border as
millions of refugees try to get into the United States," says Klare.

History Repeats Itself

In the history of Earth, there have been five mass extinctions in which at
least half the species on the planet disappeared. Scientists believe the
extinctions were brought on by natural disasters -- massive volcanic
eruptions,
rapid climate changes and meteors hitting Earth.

Today, scientists say we are in the middle of a "sixth extinction" -- and
for the first time, it's being caused by one species -- us. It seems
inconceivable that we could do so much damage to our planet that we actually
cause
society as we know it to collapse. But historical precedent shows that it
is, in fact, a very real possibility.

"Every society that collapsed thought it couldn't happen to them," says
Joseph Tainter, an expert in anthropology and societal collapse. "The Roman
Empire thought it couldn't happen. The Maya civilization thought it couldn't
happen. Everyone thought it couldn't happen to them. But it did."

These populations grew too much and exhausted their resources -- and their
climate suddenly changed. People were forced to fight each other for what
little was left or face starvation. Entire societies broke down.

"Civilizations in the past have lost the fight," says climatologist Heidi
Cullen. "They have collapsed as a result of the inability to deal with
several different events going on at once. I think the takeaway is that
honestly,
we are not that special."

Our Current Course: Where We're Headed

If we remain on the current course, it's estimated that by 2050, the
world's population may have increased by at least half and many parts of the
world
may be facing grave shortages of resources. The Southwest U.S. could face
an extended drought, while pests threaten crops. As global sea levels rise,
much of the world map could be redrawn. People will begin to migrate back to
urban areas in search of better lives.

There would likely still be beacons of green living -- massive solar farms
may produce enough power to light up entire regions of the country. Towns
like Greenburg, Kan., decimated in 2007 by a tornado and rebuilt to be
completely self-sustaining, may inspire communities around the globe do the
same.
But unless the rest of the world gets on board -- and fast -- some experts
warn it may just not be enough.

"A few hundred years down the line, they'll look back and say the dark
ages began with the twenty-first century," says E. O. Wilson, an award-winning
evolutionary biologist and professor at Harvard University.

But just how bad could things get? In one scenario, scientists imagine
that by the year 2100, immense storms irreparably damage major metropolises.
Streets, subway tunnels, and buildings would flood and begin to rot. The
stagnant water would breed filth and displace residents, forcing them into
homelessness. Poverty levels and death rates could skyrocket. A new and
virulent
strain of disease might develop -- then mutate and spread around the globe,
potentially claiming tens of thousands of lives.

In this scenario, as the crisis explodes, looting grows rampant, major
world powers go to war over water, and millions of people die from famine.
Civilization literally collapses under its own weight.

Copyright © 2009 ABC News Internet Ventures












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  • [permaculture] TV SPECIAL TOMORROW: 'Earth 2100': the Final Century of Civilization? 8 p.m. Central, SArjuna, 06/01/2009

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