BBC – Atlantis Reborn Again
Filed under: Documentary

Atlantis Reborn Again
BBC2 9.00pm Thursday 14th December 2000

Graham Hancock Horizon puts Graham Hancock’s controversial theories about the past to the test, dissecting his evidence for a lost civilisation.

Although scientists believe they have categorically disproved the myth of Atlantis, the idea is more popular now than ever before. The latest exponent of the theory of a single lost source for all civilisation, is Graham Hancock. Although he doesn’t call it Atlantis, his compelling ideas about a sophisticated society destroyed in a flood 12,000 years ago seem to be based on a reworking of the original Atlantis myth, whose survivors brought culture, religion, monument-building and civilisation to the rest of the world.

Orion’s BeltGraham Hancock offers various pieces of evidence to support his theory. He claims that the mysterious lost civilisation left its mark in ancient monuments, which he calculates were built to mirror certain constellations of stars. His hugely popular ideas have attracted such a wide audience that they stand to replace the conventional view of the past, which is based on scientific evidence that the civilisations of the ancient world were developed independently, by different peoples, on different continents.

Horizon journeys across the world to examine Hancock’s evidence for a lost civilisation and puts his theory to the test.

Robert Bauval at Giza – requires RealPlayer 5.0 or later. Using modern astronomy, Hancock and his followers claim they can find messages from a lost society in the patterns of some of the greatest ancient monuments of the world. One colleague in particular, the author Robert Bauval, believes that the Giza pyramids in Egypt were built to mirror the stars of Orion’s belt.

Map of the temples at Angkor WatHancock also believes that the great temples of Angkor Wat in Cambodia mirror the constellation Draco as it would have appeared 12,000 years ago – at a time when the world was in the Stone Age. They see this as evidence that a great civilisation existed at this time, and later conveyed its wisdom to the peoples of the ancient world, before disappearing without trace from the archaeological record.

Dr. Ed Krupp, Griffith Observatory – requires RealPlayer 5.0 or later.Astronomers, archaeologists and geologists study this evidence. Dr. Ed Krupp of the Griffith Observatory in Los Angeles, is troubled by Bauval’s claims.

Horizon further examines Hancock’s claims that the Sphinx and the mysterious ancient city of Tihuanacu in Bolivia were built 12,000 years ago by survivors of the lost civilisation itself.

Divers at the Yonaguni formation It considers the idea that either Antarctica or an extraordinary underwater site at Yonaguni in Japan were the original home of these vanished people. In a film full of contentious debate and powerful arguments, Graham Hancock’s claims are pitted against cutting edge scientific analysis to discover whether his popular theory could be true.

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BBC – Horizon – Global Dimming
Filed under: Documentary

Horizon producer David Sington on why predictions about the Earth’s climate will need to be re-examined.

We are all seeing rather less of the Sun. Scientists looking at five decades of sunlight measurements have reached the disturbing conclusion that the amount of solar energy reaching the Earth’s surface has been gradually falling. Paradoxically, the decline in sunlight may mean that global warming is a far greater threat to society than previously thought.

The effect was first spotted by Gerry Stanhill, an English scientist working in Israel. Comparing Israeli sunlight records from the 1950s with current ones, Stanhill was astonished to find a large fall in solar radiation. “There was a staggering 22% drop in the sunlight, and that really amazed me,” he says.

Intrigued, he searched out records from all around the world, and found the same story almost everywhere he looked, with sunlight falling by 10% over the USA, nearly 30% in parts of the former Soviet Union, and even by 16% in parts of the British Isles. Although the effect varied greatly from place to place, overall the decline amounted to 1-2% globally per decade between the 1950s and the 1990s.

Gerry called the phenomenon global dimming, but his research, published in 2001, met with a sceptical response from other scientists. It was only recently, when his conclusions were confirmed by Australian scientists using a completely different method to estimate solar radiation, that climate scientists at last woke up to the reality of global dimming.

Dimming appears to be caused by air pollution. Burning coal, oil and wood, whether in cars, power stations or cooking fires, produces not only invisible carbon dioxide (the principal greenhouse gas responsible for global warming) but also tiny airborne particles of soot, ash, sulphur compounds and other pollutants.

This visible air pollution reflects sunlight back into space, preventing it reaching the surface. But the pollution also changes the optical properties of clouds. Because the particles seed the formation of water droplets, polluted clouds contain a larger number of droplets than unpolluted clouds. Recent research shows that this makes them more reflective than they would otherwise be, again reflecting the Sun’s rays back into space.

Scientists are now worried that dimming, by shielding the oceans from the full power of the Sun, may be disrupting the pattern of the world’s rainfall. There are suggestions that dimming was behind the droughts in sub-Saharan Africa which claimed hundreds of thousands of lives in the 1970s and 1980s. There are disturbing hints the same thing may be happening today in Asia, home to half the world’s population. “My main concern is global dimming is also having a detrimental impact on the Asian monsoon,” says Prof Veerhabhadran Ramanathan, one of the world’s leading climate scientists. “We are talking about billions of people.”

But perhaps the most alarming aspect of global dimming is that it may have led scientists to underestimate the true power of the greenhouse effect. They know how much extra energy is being trapped in the Earth’s atmosphere by the extra carbon dioxide (CO2) we have placed there. What has been surprising is that this extra energy has so far resulted in a temperature rise of just 0.6°C.

This has led many scientists to conclude that the present-day climate is less sensitive to the effects of carbon dioxide than it was, say, during the ice age, when a similar rise in CO2 led to a temperature rise of 6°C. But it now appears the warming from greenhouse gases has been offset by a strong cooling effect from dimming – in effect two of our pollutants have been cancelling each other out. This means that the climate may in fact be more sensitive to the greenhouse effect than thought.

If so, then this is bad news, according to Dr Peter Cox, one of the world’s leading climate modellers. As things stand, CO2 levels are projected to rise strongly over coming decades, whereas there are encouraging signs that particle pollution is at last being brought under control. “We’re going to be in a situation, unless we act, where the cooling pollutant is dropping off while the warming pollutant is going up. That means we’ll get reduced cooling and increased heating at the same time and that’s a problem for us,” says Cox.

Even the most pessimistic forecasts of global warming may now have to be drastically revised upwards. That means a temperature rise of 10°C by 2100 could be on the cards, giving the UK a climate like that of North Africa, and rendering many parts of the world uninhabitable. That is unless we act urgently to curb our emissions of greenhouse gases.

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BBC – End Day
Filed under: Documentary

End Day is a docu-drama produced by the BBC and airing on the National Geographic Channel that depicts various doomsday scenarios. The documentary follows Dr. Howell, a scientist, as he travels from his hotel room in London, England to his laboratory in New York City, and shows how each scenario affects his journey as well as those around him, with various experts providing commentary on that specific disaster as it unfolds. The following description of the programme was released by the BBC:

“Imagine waking up to the last day on Earth…
“Inspired by the predictions of scientists, End Day creates apocalyptic scenarios that go beyond reality. In a single hour, explore five different fictional disasters, from a giant tsunami hitting New York to a deadly meteorite strike on Berlin

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