english: This is a problem because the warming heats up the frozen ground around the Arctic Ocean, where there is a massive amount of frozen carbon which, when it thaws, is turned into methane by microbes.
non_english: Ovo predstavlja problem jer zagrevanje zagreva zaleđenu zemlju oko arktičkog okeana gde se nalazi ogromna količina zaleđenog ugljenika koji, kada se topi, mikrobi pretvaraju u metan.