July 2019 was hottest month on record for the planet: Polar sea ice melted to record lows 

Much of the planet sweltered in unprecedented heat in July, as temperatures soared to new heights in the hottest month ever recorded. The record warmth also shrank Arctic and Antarctic sea ice to historic lows.

Source: July 2019 was hottest month on record for the planet: Polar sea ice melted to record lows — ScienceDaily