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As Oklahoma reels from deadly wildfires, authorities warn of fresh fire threat
1 year
Severe weather moves east after killing at least 39 across US
1 year
Big March storm system threatens US with tornadoes, blizzards and wildfire risk
1 year
What causes tornadoes and how to decipher watches and warnings
1 year
Rain-soaking atmospheric rivers are getting bigger, wetter and more frequent
1 year
Climate change could soon create mess for orbiting satellites
1 year
Majority of the world's population breathes dirty air, report says
1 year
New storm could spawn tornadoes in South US, whip up blizzard in northern states
1 year
Floodwaters still threaten parts of Australia's east coast as tropical storm recedes
1 year
Heavy rains in Argentina kill at least 16
1 year
America's butterflies are disappearing at 'catastrophic' rate
1 year
Heat wave in southern Brazil prompts five cities to suspend classes
1 year
Scientists raise concerns as US stops sharing air quality data from embassies worldwide
1 year
Things to know about avalanches, what causes them and how to stay safe
1 year
Australian homes lose power and people evacuate as tropical cyclone approaches
1 year
Schools are closed, public transport stopped as rare cyclone approaches Australian coast
1 year
Coral reefs in Vietnam face collapse. Can conservation efforts turn the tide?
1 year
Residents prepare for first cyclone in 51 years to hit Australian coast near Brisbane
1 year
Japan's worst wildfire in half a century spreads
1 year
Crews battle wildfires in North and South Carolina amid dry conditions and gusty winds
1 year