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Some residents of High Level, Canada, were forced to evacuate in the face of a large and out-of-control wildfire that has started advancing toward the town.
Published May 21, 2019
Fine particles of pulverized rock absorb and scatter sunlight in ways that can give water a striking blue-green color.
Published May 20, 2019
Sunlight traces the mouth of one of Asia’s great rivers—a major artery for commercial and sediment transport.
Published May 19, 2019
Filaments of sea ice stretch across the waters off southern Greenland, an area that is typically ice-free.
Published May 18, 2019
Officials declared an environmental emergency due to unhealthy air quality.
Published May 17, 2019