An abandoned repository of over 3.1 million cubic feet  (87,782 cubic meters) of radioactive debris left over from nuclear testing in the South Pacific is in danger of being cracked open by rising ocean levels, threatening to spill large amounts of the nuclear waste contained within—including highly-toxic plutonium—into the surroundingread more

The average sea ice extent for the month of October was the lowest on record for that month, averaging only 5.66 million square kilometers (2.19 million square miles), beating the previous record-holder, October 2012, by nearly a quarter-million square kilometers. This was due to abnormally warm conditions across the Arcticread more

One of the more prevalent dangers posed by the accelerated warming of the Arctic is the release of methane, a powerful greenhouse gas, from thawing permafrost. A team of Russian scientists from the Tomsk Polytechnic University (TPU) have reported discovering at least two powerful methane plumes rising from the floorread more