"Black carbon pollution from tourism and research activities in Antarctica is likely increasing snowmelt on the continent by an estimated 83 tonnes for each visitor, according to new research."
Antarctica & Arctic
The climate-security nexus has drawn attention from the Biden administration, but less so elsewhere, even as security experts worry about climate change as a threat multiplier that can exacerbate other causes of conflict. Our new Backgrounder explores these concerns, with a look at how the issue has played out in recent U.S. politics. Plus, seven global regions where climate change may worsen ongoing conflict.
"Antarctica’s two native flowering plants are spreading rapidly as temperatures warm, according to the first study to show changes in fragile polar ecosystems have accelerated in the past decade."
"A British company has fallen foul of Greta Thunberg, Unesco, Sweden’s national church, and the indigenous people in the north of the country over plans for an open-pit mine on historical Sami reindeer-herding lands."
"A thawing of permafrost in beaver-built wetlands can release vast stores of greenhouse gases to warm the climate, but Native peoples are already feeling the rodent’s impacts." "When the beavers came to streams near the Alaskan village of Venetie, the fish disappeared."
"Scientists discovered a mammoth nesting ground with an estimated 60 million icefish nests in the Weddell Sea."
"The high Arctic saw a dramatic rise in lightning in 2021 in what could be one of the most spectacular manifestations of the climate crisis."
"Soaring temperatures are rapidly thawing permafrost, leading to huge sinkholes called thermokarst. Northern fires are making the situation even worse."
"Forces profound and alarming are reshaping the upper reaches of the North Pacific and Arctic oceans, breaking the food chain that supports billions of creatures and one of the world’s most important fisheries."
"The immense and forbidding Southern Ocean is famous for howling gales and devilish swells that have tested mariners for centuries. But its true strength lies beneath the waves." "Wilder winds are altering currents. The sea is releasing carbon dioxide. Ice is melting from below."