Unprecedented wildfires raged across Siberia, Greenland, and Alaska all summer.

As temperatures in Alaska reached record highs up to 90 degrees Fahrenheit, hundreds of intense blazes burned.

"Temperatures in the Arctic have been increasing at a much faster rate than the global average, and warmer conditions encourage fires to grow and persist once they have been ignited," Mark Parrington, a CAMS wildfire expert, said in a July release.