Atmosphere11 Jun 2025How microbes living in the clouds affect our livesTrillions of bacteria, fungi, viruses and single-celled organisms travel the globe high in the atmosphere. Scientists are finding that they play a role in the weather and our health.11 Jun 202522 Mar 2022What happened to the ozone hole?Back in the 1990s, the hole in the planet's ozone layer was a pressing global crisis – if we had ignored it, today there would be several.22 Mar 2022
