The World Health Organization published a consensus statement on airborne pathogens, finally aligning the WHO with scientists who presented evidence of this early in the course of the COVID-19 pandemic, but with no guidance on what measures should now be taken on the pandemic.
On the Afghanistan-Iran border, climate change fuels a fight over water science.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from science.org Daily Mail and Mail on Sunday newspapers.
The climate emergency is more apparent than ever as there is now not even enough space left on Earth for the amount of trees we'd need to save the planet.