Scientists identify cleanest air on Earth

Researchers say they’ve identified the cleanest air on the planet – free from particles caused by human activity – over the Southern Ocean, which surrounds Antarctica. Source: https://earthsky.org/earth/scientist-identify-cleanest-air-on-earth-southern-ocean…

New study says dinosaur-dooming asteroid struck Earth at ‘deadliest possible’ angle

“For the dinosaurs, the worst-case scenario is exactly what happened … because it put more hazardous debris into the upper atmosphere and scattered it everywhere, the very thing that led to a nuclear winter.” Source: https://earthsky.org/earth/dinosaur-killing-asteroid-struck-earth-deadliest-angle…

Global warming is influencing where tropical cyclones rage

While the global average number of tropical cyclones each year hasn’t budged from 86 over the last 4 decades, climate change has been influencing the locations of these deadly storms. Source: https://earthsky.org/earth/study-climate-change-tropical-cyclones-hurricanes-location…

How coronavirus drifts through the air in microscopic droplets

Aerosols are the tiny particles of liquid and material that float around in our environment. When they come from an infected person, they may be a significant source of coronavirus transmission. The science of infectious aerosols. Source: https://earthsky.org/human-world/coronavirus-microscopic-droplets-infectious-aerosols…

Satellite images: Air pollution in India plummets

These satellite images show how much aerosol levels have dropped over northern India since the Covid-19 lockdown began. Source: https://earthsky.org/earth/satellite-images-air-pollution-india-covid19…