Arctic permafrost may unleash carbon within decades: NASA [http://www.thehindu.com/sci-tech/energy-and-environment/arctic-permafrost-may-unleash-carbon-within-decades-nasa/article22944432.ece]Permafrost in the coldest northern Arctic will thaw enough to become a permanent source of carbon to the atmosphere this century, with the peak transition occurring in 40 to 60 years, a NASA study warns. The region was formerly thought to be at least temporarily shielded from global warming by its extreme environment.

Oldest reptile that could detach its tail identified  [http://www.thehindu.com/sci-tech/energy-and-environment/oldest-reptile-that-could-detach-its-tail-identified/article22962081.ece]Scientists have identified ancient reptiles dating back to 289 million years ago that could detach their tails to escape the grasp of their predators – the oldest known example of such behaviour.The reptiles, called Captorhinus, weighed less than two kilograms and were smaller than the predators of the time. They were abundant in terrestrial communities during the Early Permian period (299 to 250 million years ago) and are distant relatives of all the reptiles today.

 Plastic waste is climbing up the marine food chain [http://www.thehindu.com/sci-tech/energy-and-environment/plastic-waste-is-climbing-up-the-marine-food-chain/article23130472.ece]

Levels of pollutants increased during odd-even[http://www.thehindu.com/news/cities/Delhi/levels-of-pollutants-increased-during-odd-even/article23166208.ece]The fortnight-long odd even policy (OEP) to check pollution in Delhi may have been counterproductive and may have exposed people to elevated levels — as much as 60% — of volatile organic compounds (VOCs), a key component of emissions from vehicles said to aggravate respiratory ailments, according to a multi-authored research study forthcoming in the peer-reviewed journal Current Science.

Bulk waste generators composting on premises may get garbage cess rebate [http://www.thehindu.com/news/cities/bangalore/bulk-waste-generators-composting-on-premises-may-get-garbage-cess-rebate/article23042950.ece ]Bulk generators of waste, which include big apartment complexes and hotel complexes, may get a 50% rebate on the garbage cess if they have facilities to process wet waste generated within their premises, according to a Bruhat Bengaluru Mahanagara Palike (BBMP) proposal.The proposal is likely to be discussed by the BBMP council on Tuesday.

 All the wild horses are extinct: study [http://www.thehindu.com/sci-tech/energy-and-environment/all-the-wild-horses-are-extinct-study/article22839375.ece]All the world’s wild horses have gone extinct, according to a study that unexpectedly rewrites the horse family tree based on a new DNA analysis of their ancestry.