Observations reveal that Arctic sea ice extent at the end of summer has halved, since satellite records began in the late 1970s.

There is widespread coverage of the latest failure of talks to agree the world's first legally binding treaty to tackle plastic pollution.

GRID PRESSURES: Iraq suffered a “near nationwide blackout” as elevated power demand – due to extreme temperatures of around 50C – triggered a transmission line failure, Bloomberg reported.

Carbon Brief handpicks and explains the most important stories at the intersection of climate, land, food and nature over the past fortnight.