Curtin University researchers use innovative techniques to date three-billion-year-old impact crater in Pilbara region A meteorite that struck Earth three billion years ago left behind a “smoking gun” – evidence of the world’s oldest impact crater in a remote part of Australia. Ancient rocks in Western Australia’s Pilbara region record the event, which occurred during the Archean eon, a period 4 to 2.5 billion years ago, when tectonic plates were beginning to form and early life emerging. Continue reading... from The Guardian https://ift.tt/vFNkr3E via IFTTT
Dangers of wildfires, extreme weather and other factors outgrowing preparedness, European Environment Agency says
Europe is not prepared for the rapidly growing climate risks it faces, the European Environment Agency (EEA) has said in its first risk assessment.
From wildfires burning down homes to violent weather straining public finances, the report says more action is needed to address half of the 36 significant climate risks with potentially severe consequences that it identifies for Europe. Five more risks need urgent action, the report says.
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