Explore today's trending essay topics:. a change driven largely by increased carbon dioxide and other human-made emissions into the atmosphere.5 Most of the warming occurred in the past 35 years, with 16 of the 17 warmest years on record occurring since 2001. Not only was 2016 the warmest year on record, but eight of the 12 months that make up the year - from January through September, with.
Temperatures are warming especially fast in Arctic regions, and there the thawing permafrost is releasing both carbon dioxide and methane. By 2100, it is estimated that 16 to 24% of the permafrost will have thawed, entering a vicious feedback loop: as permafrost thaws, it releases stored carbon dioxide and methane, which further warms the climate, melts more permafrost and releases more.