The fires affecting Moscow are concentrated in the Ryazan region, some 250 kilometers to the south. This is not the first time smog has appeared in Moscow in recent months, with local authorities advising residents to wear masks to protect themselves earlier this month.
Early summer in Moscow brings an onslaught of allergy-inducing, Instagram-ready fluff from poplar seeds.
Gallery | The fires, which were swept in from Mongolia by high winds, have caused almost $9.4 million in damage.
The Shiveluch volcano in Russia's Far Eastern Kamchatka region has erupted, spewing ash some 13km above sea level.Officials from the region's Emergency Situations Ministry have confirmed that the ash is not expected to land on nearby settlements, Meanwhile a "red warning" has been issued to passing planes, urging them to avoid the site.The Shiveluch volcano is extimated to be between 60,000 and 70,000 years old.
Russian weather officials and environmentalists have said climate change is a major factor behind the increase in fires.
Officials say a wildfire in Southwest Washington that ballooned Sunday, causing regional air quality issues, may have been started by a firework or firearm.
After hitting 100 degrees Wednesday, Portland’s light-rail trains are operating at slower speeds amid concern that the heat will cause tracks to expand and risk a derailment. In exchange for the slow service, inspectors are not checking riders for tickets.
Wildfires have burned more than 100,000 acres in Los Angeles and Ventura Counties. Fighting them were professionals and homeowners with garden hoses.
Baikal is located in a rift zone, a deep crack in the Earth's crust which narrows at depths of several dozen kilometers. A tranquil video of white and silver bubbles of methane caught in newly-formed ice was filmed at Maloye More, a strait that separates the lake's largest island from the western shore of Lake Baikal.
The locals call it Black Sky, a combination of weather conditions and the exhaust from dozens of factories in this industrial city on the Yenisei river.
Gas bubbles from waters filling crater hole on Yamal peninsula two months after volcanic-style explosion in thawing permafrost.
This time weather experts think the blackout was caused by smoke from wildfires mixing with heavy rain clouds.
City a ‘smoky hell’ as hill on opposite side of Amur River is in flames while driver films inferno on train track.
Hundreds of craters caused by methane explosions were discovered underneath Barents sea. Further research finds evidence that the violent explosions could happen again in the future.
Detailed study of satellite data has identified more than 200 lakes with active methane emissions.
Locals in north of Yakutia said daylight was completely gone for several hours. After the sun returned, locals found thick layer of dust covering everything outside.
Air quality sinks to hazardous levels as biggest cloud seen in a generation swamps region after transatlantic journey
Many residents of Ulan Bator, Mongolia, use coal-burning stoves during the winter months when staying warm is a matter of survival. But the pollution is hazardous to their health.
Deadly blaze that killed four people and forced evacuation of 10 villages is now close to being under control
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