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Planet’s first catastrophic climate tipping point reached, report says, with coral reefs facing ‘widespread dieback’

Unless global heating is reduced to 1.2C ‘as fast as possible’, warm water coral reefs will not remain ‘at any meaningful scale’, a report by 160 scientists from 23 countries warns Sign up for climate and environment editor Adam Morton’s free Clear Air newsletter here The earth has reached its first catastrophic tipping point linked to greenhouse gas emissions, with warm water coral reefs now facing a long-term decline and risking the livelihoods of hundreds of millions of people, according to a new report. The report from scientists and conservationists warns the world is also “on the brink” of reaching other tipping points, including the dieback of the Amazon, the collapse of major ocean currents and the loss of ice sheets. Sign up to get climate and environment editor Adam Morton’s Clear Air column as a free newsletter Continue reading... from The Guardian https://ift.tt/O0bGgzr via IFTTT
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Colourful beauty of Parthenon marbles revealed in scientific analysis

Innovative scanning techniques show painting of sculptures was potentially as intricate as their carving

Though the Parthenon marbles were admired for centuries for their stark white brilliance, it has long been known that the sculptures were originally brightly painted, before millennia of weathering, cannon bombardment, rough handling and overenthusiastic cleaning scoured them clean.

Evidence for the paintwork has been highly elusive, however, leading their former curator at the British Museum to confess that, after years of hunting in vain for traces of pigment, he had sometimes doubted they were painted at all.

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