Undulations in the jet stream have caused a heat dome to descend on the Pacific Northwest, leading to record high temperatures in the US and Canada.
Temperatures over 120 degrees Fahrenheit are part of a "heat dome" scorching the western United States.
California is having a record-breaking year of flames, as dozens of wildfires have set the state ablaze.
Five years ago, tens of thousands of emaciated seabirds washed ashore on the Pacific Coast.
What do football players and sugarcane harvesters have in common? They may all be at risk for heat exhaustion — a hazardous condition that can lead to fatal heat stroke.
For the first time in recorded history, Anchorage, Alaska, reached 90 degrees F (32 degrees Celsius).
About 60% of the world will face record-high temperatures every year for the next 100 years if we don't tackle climate change now, a new study suggests.
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