Now that most scientists agree human activity is warming the Earth, the central debate has shifted to whether climate change is progressing so rapidly that, within decades, we’ll reach a “tipping point”. more…
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Hurricanes and Climate Change: 2006 Season
Last year, concerns that human activities were causing more frequent and more intense hurricanes received considerable attention. Hurricane expert Dr William Gray reviews the claims and discusses the 2006 hurricane season. more…
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Hysteria heats up
We must admit we’re in real strife when even Tim Flannery says Hurricane Katrina proves global warming can destroy us. “These hurricanes have been a catastrophe just waiting to happen,” Flannery warned last weekend. more…
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Warming hits ‘tipping point’
An area of Siberian permafrost spanning a million square kilometres—the size of France and Germany combined—has started to melt for the first time since it formed 11,000 years ago. more…
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South Pacific coral reefs—history
Recent major bleaching events on coral reefs of the South Pacific are not unusual. Earlier, higher sea surface temperatures did not cause dramatic bleaching and did not destroy the reefs. They regularly reconstruct themselves. more…
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Why the sun seems to be ‘dimming’
Scientists have reached the disturbing conclusion that the amount of solar energy reaching the Earth’s surface has been gradually falling, which may mean global warming is a greater threat than previously thought. more…
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