"Blue Marble": How half a century of climate change has altered the face of the Earth

Robert Poole (Professor of History, University of Central Lancashire), Nick Pepin (Reader in Climate Science, University of Portsmouth) and Oliver Gruner (Senior Lecturer in Visual Culture, University of Portsmouth) contributed an article to The Conversation, which explored what a new "Blue Marble" photograph taken by NASA's DSCOVR satellite in December 2022 tells us about the Earth's changing climate.