There are of wildfires all across the Arctic Circle. The from them can be seen from space. The Arctic is warming as fast as anywhere on Earth. The Arctic is having its hottest June . It is also having its worst wildfire on record. There are fires covering large of Greenland, Siberia, Scandinavia and Alaska. In Alaska, there are 400 fires burning out of . The vast Greenland ice sheet has started melting a earlier than usual. The World Meteorological Organization called the Arctic fires "unprecedented".
Scientists say the fires and could affect global warming. A meteorologist explained what is causing the fires. He said: "Temperatures in the Arctic have been increasing at a faster rate than the global , and warmer conditions encourage fires to grow and persist they have been ignited." Dry ground, and strong winds have caused the fires to spread. The have set fire to methane below the . This is releasing huge of carbon dioxide into the . The fires have destroyed habitat and killed uncountable numbers of .