Seattle, Washington, sometimes known as the “Emerald City,” sparkled in the morning sunlight when an astronaut aboard the International Space Station took this photo on June 16, 2026. The city’s parks and tree-filled neighborhoods give the metropolis a lush, green look, while tall downtown buildings cast long shadows and boats cruise the surrounding canals. The
Twice a day, the tides ebb and flow through a labyrinth of sandy channels, salt marshes and mangrove forests that flank the 88 islands and islets of Guinea-Bissau’s Bijagós Archipelago (Arquipélago dos Bijagós in Portuguese). Seen from above, the process leads to radical changes in the landscape: during low tide, intertidal mudflats and sand flats
After a slow start to Canada’s 2026 fire season, activity rebounded in late June amid dry, warm conditions and moved back closer to the 25-year average. As of mid-July, nearly 850 fires were actively burning across the country, according to the Canadian Interagency Wildfire Centre. More than 180 of them burned in Ontario. This NOAA-21
It’s still relatively early in the summer season in the Northern Hemisphere, but several parts of North America were stiflingly hot in mid-July. The latest provider of heat was a strong high-pressure ridge that remained in the upper atmosphere over the northern Rockies on the weekend of July 11-12, 2026. This pushed hot air toward
Editor’s Note: Today’s story is the answer to the July Puzzle. Call it an alluvial showdown. At the southern tip of Severny Island in the Russian Arctic, rivers descend from rugged terrain flanking a wide valley. Upon reaching flatter terrain, the waters slow down and distribute the sediments in the shape of cones called alluvial
From declining annual sea ice extent to greening tundra, environmental change has been gradually unfolding in the Arctic for decades. However, some changes have come more abruptly. Satellite, aerial and ground surveys spanning more than 1,000 kilometers (600 miles) along Alaska’s Brooks Range have observed stream water changing from clear to orange in more than