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Earth ‘on brink of mass extinction event’

MSN: Earth is on the brink of a "mass extinction event" which could be equivalent in scale to the one that killed off the dinosaurs 65 million years ago, a landmark study by an international group of scientists has concluded. Researchers warned that deforestation, climate change, and overfishing have driven extinction rates to 1,000 times their normal level, Reuters reports. Duke University biologist and conversation expert Stuart Pimm says that "time is running out" to avert the threat of mass extinction....

Time running out for Great Barrier Reef:..

MSN: Time is running out for Australia's iconic Great Barrier Reef, with climate change set to wreck irreversible damage by 2030 unless immediate action is taken, marine scientists said Thursday. Stretching along more than 2,000 km (1,200 miles) of Australia's eastern coast is one of the world's formost natural wonders - The Great Barrier Reef as shown is this file NASA satellite image In a report prepared for this month's Earth Hour global climate change campaign, University of Queensland reef...

Can the US frack its way to freedom?

MSN: Using new technology to tap huge underground deposits holds the promise of American energy independence -- along with worries of environmental harm and health threats. The stakes couldn't be higher. Fracking. The mere utterance of the word thrills investors in energy companies making big oil and gas finds in shale deposits in Texas, the Appalachians and North Dakota. It makes environmentalists shudder because it involves so many unknowns. But make no mistake: Fracking is a big deal. It has...