Every day, we publish online world-class photography from around the world. In honour of Earth Day, we asked our photo editors to pick their favorite images showcasing our planet's remarkable beauty and immense diversity—and the challenges it faces.
LEAD IMAGE: A startling sunset reddens the Lemaire Channel, off the west coast of the Antarctic Peninsula. The continent’s coastal ice is crumbling as the sea and air around it warm. This photo originally published in “The Larsen C Ice Shelf Collapse Is Just the Beginning—Antarctica Is Melting.” PHOTOGRAPH BY CAMILLE SEAMAN