A lack of human activity in the Southern Ocean is just one reason why the air is so clean. Clouds and rain play a vital role in scrubbing the atmosphere, removing natural airborne particles too.
Existing models have over-estimated the role of north Africa as the primary source of global dust emissions for nearly 30 years.
GizemG/Shutterstock
With smartphones as commonplace as towels and sunscreen in the beach bag, why not add coastal data collection to your list of holiday activities this summer? Look for the CoastSnap camera cradles.
Many commercial fishing boats do not report their positions at sea or are not required to do so.
Alex Walker via Getty Images
Researchers fed an advanced AI algorithm with satellite photographs to see if it could identify areas of poverty and it interpreted the data through abstract images.
Satellite data shows wildfires are destroying large areas of timber-producing forests around the world. These fires are becoming more destructive with each passing year.
Satellite imagery shows how burnt areas in central Arnhem Land are lines carefully ‘painted’ across the landscape.
Sentinel Hub EO Browser
The rhythmic expansion and contraction of Antarctic sea ice is like a heartbeat. But there’s been a skip in the beat. Deeply concerned scientists have released a diagnosis for policy-makers.
Syrian civil defence workers clear an earthquake victim in Zardana, Idlib province, on 6 February.
Abdulazis Ketaz/AFP
Helen Brand, Australian Nuclear Science and Technology Organisation
Meteor impacts are an inevitable part of being a rocky planet in space. The craters they leave behind are a window into the tumultuous history of Earth.
From space to the outback, meteorite-tracking tools are building the knowledge we need to prepare for a future asteroid impact.
This is an enhanced satellite image of Western Australia’s Great Sandy Desert. Yellow sand dunes cover the upper right, red splotches indicate burned areas, and other colours show different types of surface geology.
USGS/Unsplash
The United States Geological Survey has a vast collection of satellite images capturing breathtaking geological features of our planet. As a geologist, I’ve picked eight of the most fascinating.
Private companies have launched dozens of imaging satellites – like the two small boxes in the middle of the photo – into orbit in recent years.
NASA/Steve Jurvetson
Private satellite companies have boomed in recent years, and many experts have wondered what role they would play in a conflict. They have proved to be invaluable to Ukraine in recent months.
Co-Director, United Nations- SPIDER- UK Regional Support Office, Senior Research Fellow, School of Engineering, Preston, UK, University of Central Lancashire