This picture taken from a Kamov helicopter operated by Indonesia's Disaster Mitigation Agency shows fires burning at a concession area in Pelalawan, Riau province on September 17, 2015. | Adek Berry/AFP/Getty Images

NASA Reports Recent Surge in CO2 Emissions From Natural Sources

Forest fires in Indonesia, a hotter Africa, and a warmer, drier Amazon contributed to three consecutive years of record-setting global temperatures.

An infographic depicting the unusually high levels of carbon dioxide release from three tropical continents during 2015 El Niño. | NASA/JPL/Caltech