Smoke from Canada Fires reaches Nuuk, Greenland

Thousands protest in two cities in Portugal to demand higher wages and pensions

Heavy snow slams Colorado and surrounding areas

Apocalyptic scenes as car drives through raging wildfires in Canada

Watch: Canadian wildfire smoke blankets parts of US in yellowish haze

Friends and family of American tourist killed in Budapest hold vigil, suspect in custody

Smoke From Canada Wildfires Reaches Spain

Thousands protest in Valencia against Spanish authorities' response to flooding

Impresionante emisión de nubes de cenizas por parte del volcán Lewotobi, Indonesia.

Smoke from raging wildfire fills Alberta sky

The arrival of Typhoon Kong-Rey causes severe damage in Taiwan

20,000 Canadians ordered to evacuate Yellowknife due to wildfires

Apocalyptic time-lapse shows New York disappear into orange smoke from Canada wildfires

Thick smoke clouds swell from wildfire burning in northern Spain

Watch, Fire Tornadoes reported in Northern California Wildfire

Large plumes of smoke from bushfires seen in rural South Australia

NYC air pollution at hazardous levels as Canadian wildfire smoke spreads

Bushfires leave forest floor covered in ash and trees burnt to a cinder in New South Wales

Wildfire smoke brings air warnings to U.S. northeast

Evacuation orders issued as wildfire grows in Colorado

Stunning images of a forest fire from a train cabin in Buryatia, Russia.

Photo Of 'View Of California Wildfire Above The Clouds' Is Shared On Social Media With A Fake Claim, Heres The Truth About The Viral Picture

Wildfire produces ‘thunder cloud’ as blaze burns in British Columbia

Watch: Toronto and New York City are shrouded in smog caused by hundreds of wild fires

Satellites show smoke from wildfires in the western US reaching the Northeast

Researchers Accidentally Find Trees ‘Holding Their Breath’ During Wildfires