Provisional figures indicate that 2020 will be one of the hottest in a record dating back to 1850.
Boris Johnson is set to unveil plans for world-leading emissions UK cuts - but are they enough?
The robotic Chang'e-5 probe starts work to gather lunar samples it can send to Earth for study.
Secretary General Antonio Guterres says our "war" on the natural world will come back to haunt us.
The discovery is expected to advance medical research in treating disease.
High resolution imagery shows ocean waves are taking their toll on the giant ice block called A68a.
The advance is expected to accelerate research into a host of human diseases, including Covid-19.