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Civilizations rise, decay and die. Time, as the ancient Greeks argued, for individuals and for states is cyclical. As societies become more complex they become inevitably more precarious. They become increasingly vulnerable. And as they begin to break down there is a strange retreat by a terrified and confused population from reality, an inability to acknowledge the self-evident fragility and impending collapse. The elites at the end speak in phrases and jargon that do not correlate to reality. They retreat into isolated compounds, whether at the court at Versailles, the Forbidden City or modern palatial estates. The elites indulge in unchecked hedonism, the accumulation of vaster wealth and extravagant consumption. They are deaf to the suffering of the masses who are repressed with greater and greater ferocity. Resources are more ruthlessly depleted until they are exhausted. And then the hollowed-out edifice collapses. The Roman and Sumerian empires fell this way. The Mayan elites, after clearing their forests and polluting their streams with silt and acids, retreated backward into primitivism. As food and water shortages expand across the globe, as mounting poverty and misery trigger street protests in the Middle East, Africa and Europe, the elites do what all elites do. They launch more wars, build grander monuments to themselves, plunge their nations deeper into debt, and as it all unravels they take it out on the backs of workers and the poor. The collapse of the global economy, which wiped out a staggering $40 trillion in wealth, was caused when our elites, after destroying our manufacturing base, sold massive quantities of fraudulent mortgage-backed securities to pension funds, small investors, banks, universities, state and foreign governments and shareholders. The elites, to cover the losses, then looted the public treasury to begin the speculation over again. They also, in the name of austerity, began dismantling basic social services, set out to break th

I was honored to be invited to speak at Occupy Wall Street on Thursday night. Since amplification is (disgracefully) banned, and everything I said had to be repeated by hundreds of people so others could hear (a.k.a. "the human microphone"), what I actually said at Liberty Plaza had to be very short. With that in mind, here is the longer, uncut version of the speech.

Scientists to study impact of gulf oil spill on marine food webs. Shells from oysters, clams, and periwinkles hold clues about the ways and rates at which harmful compounds from the spill are being incorporated into the Gulf's marine food web. New reports are surfacing every day about the immediate impacts of the Deepwater Horizon oil spill on Gulf Coast wildlife, especially as the oil reaches the sensitive marshlands along the coast. But how will these communities be affected over time? (Source: Science Magazine)

"Like the attacks by Al Qaeda, the disaster in the Gulf was preceded by ample warnings - yet the administration had ignored them. Instead of cracking down on MMS, as he had vowed to do even before taking office, Obama left in place many of the top officials who oversaw the agency's culture of corruption. He permitted it to rubber-stamp dangerous drilling operations by BP - a firm with the worst safety record of any oil company - with virtually no environmental safeguards, using industry-friendly regulations drafted during the Bush years. He calibrated his response to the Gulf spill based on flawed and misleading estimates from BP - and then deployed his top aides to lowball the flow rate at a laughable 5,000 barrels a day, long after the best science made clear this catastrophe would eclipse the Exxon Valdez."

"In 2009, the scientific literature caught up with what top climate scientists have been saying privately for a few years now: * Many of the predicted impacts of human-caused climate change are occurring much faster than anybody expected - particularly ice melt, everywhere you look on the planet. * If we stay anywhere near our current emissions path, we are facing incalculable catastrophes by century's end, including rapid sea level rise, massive wildfires, widespread Dust-Bowlification, large oceanic dead zones, and 9°F warming - much of which could be all but irreversible for centuries. And that's not the worst-case scenario! * The consequences for human health and well being would be extreme. That's no surprise to anybody who has talked to leading climate scientists in recent years, read my book Hell and High Water (or a number of other books), or followed this blog. Still, it is a scientific reality that I don't think more than 2 people in 100 fully grasp, so I'm going to review here the past year in climate science. I'll focus primarily on the peer-reviewed literature, but also look at some major summary reports."

Ron Brownstein notes in a  terrific new National Journal column just how striking it is  to see a major American political party decide, all at once, to reject  climate science in its entirety. (via Jay Rosen)

Peak Oil is the point at which petroleum production reaches its greatest rate just before going into perpetual decline. In "Peak Oil and a Changing Climate," a new video series from The Nation and On The Earth productions, radio host Thom Hartmann explains that the world will reach peak oil within the next year if it hasn't already. As a nation, the United States reached peak oil in 1974, after which it became a net oil importer. Bill McKibben, Noam Chomsky, Nicole Foss, Richard Heinberg and the other scientists, researchers and writers interviewed throughout "Peak Oil and a Changing Climate" describe the diminishing returns our world can expect as it deals with the consequences of peak oil even as it continues to pretend it doesn't exist. These experts predict substantially increased transportation costs, decreased industrial production, unemployment, hunger and social chaos as the supplies of the  fuels on which we rely dwindle and eventually disappear. Chomsky urges us to anticipate the official response to peak oil based on how corporations, news organizations and other institutions have responded to global warming: obfuscation, spin and denial. James Howard Kunstler says that we cannot survive peak oil unless we "come up with a consensus about reality that is consistent with the way things really are." This documentary series hopes to help build that consensus. Click here to watch the introductory video, and check back here for new videos each Wednesday.

How can architects build a new world of sustainable beauty? By learning from nature. At TEDSalon in London, Michael Pawlyn describes three habits of nature that could transform architecture and society: radical resource efficiency, closed loops, and drawing energy from the sun.

Caution: It is vitally important not to make connections. When you see pictures of rubble like this week's shots from Joplin, Mo., you should not wonder: Is this somehow related to the tornado outbreak three weeks ago in Tuscaloosa, Ala., or the enormous outbreak a couple of weeks before that (which, together, comprised the most active April for tornadoes in U.S. history). No, that doesn't mean a thing. It is far better to think of these as isolated, unpredictable, discrete events. It is not advisable to try to connect them in your mind with, say, the fires burning across Texas - fires that have burned more of America at this point this year than any wildfires have in previous years. Texas, and adjoining parts of Oklahoma and New Mexico, are drier than they've ever been - the drought is worse than that of the Dust Bowl. But do not wonder if they're somehow connected.

The End of the Line is a powerful film about one of the world's most disturbing problems - over-fishing. Advances in fishing technology mean whole species of wild fish are under threat and the most important stocks we eat are predicted to be in a state of collapse by 2050. The film points the finger at those most to blame, including celebrity chefs, and shows what we can do about it. This is not just a film, it is also a campaign - for sustainable consumption of fish, for marine protected areas to allow the sea to recover, and for a new ethic of responsible fishing. www.endoftheline.com

Ah what a wonderful world we live in - a world where giant agricultural producers regularly feed arsenic to chickens. This, mind you, isn't how they kill the chicken. No, it's how they make them grow bigger, faster, cheaper. Administered in small amounts, arsenic is one of many compounds found in various drugs routinely administered to chickens in their feed. These same giant agricultural producers have maintained for years that the arsenic never makes its way into the actual chicken meat sold at the supermarket. It all gets pooped out! Or so they say. Yet if that's the case, then why did the FDA recently admit that arsenic does, in fact, show up in supermarket chickens?

Uploaded by TEDtalksDirector on May 8, 2008 http://www.ted.com Mycologist Paul Stamets studies the mycelium -- and lists 6 ways that this astonishing fungus can help save the world. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes. TED stands for Technology, Entertainment, Design, and TEDTalks cover these topics as well as science, business, development and the arts. Closed captions and translated subtitles in a variety of languages are now available on TED.com, at http://www.ted.com/translate. Follow us on Twitter http://www.twitter.com/tednews Checkout our Facebook page for TED exclusives https://www.facebook.com/TED

Millions of tonnes of plastic debris dumped each year in the world's oceans could pose a lethal threat to whales, according to a scientific assessment to be presented at a key international whaling forum this week. A review of research literature from the last two decades reveals hundreds of cases in which cetaceans - an order including 80-odd species of whales, dolphins and porpoises - have been sickened or killed by marine litter. Entanglement in plastic bags and fishing gear have long been identified as a threat to sea birds, turtles and smaller cetaceans. For large ocean-dwelling mammals, however, ingestion of such refuse is also emerging as a serious cause of disability and death, experts say. Grisly examples abound.

ScienceDaily (July 4, 2011) - After evaluating twin pairs in which at least one child has autism or autism spectrum disorder (ASD), researchers suggest that the shared environment may play a more substantial role in development of the condition than shared genes do, according to a report published Online First by Archives of General Psychiatry, one of the JAMA/Archives journals.