Statement on the State of the Global Climate in 2016
Warming continued in 2016, setting a new temperature record of approximately 1.1 °C above the pre-industrial period, and 0.06 °C above the previous highest value set in 2015. Carbon dioxide (CO2) reached new highs at 400.0 ± 0.1 ppm in the atmosphere at the end of 2015. Global sea-ice extent dropped more than 4 million km2 below average – an unprecedented anomaly – in November. Global sea levels rose strongly during the 2015/2016 El Niño, with the early 2016 values making new records. The powerful 2015/2016 El Niño event exerted a strong influence on the climate and societies against a background of long-term climate change. Severe droughts affected agriculture and yield production in many parts of the world, particularly in southern and eastern Africa and parts of Central America, where several million people experienced food insecurity and hundreds of thousands were displaced internally, according to reports from the World Food Programme (WFP), the United Nations Food and Agriculture Organization (FAO), the United Nations High Commissioner for Refugees (UNHCR) and the International Organization for Migration (IOM). Hurricane Matthew in the North Atlantic led to the most damaging meteorological disaster, with Haiti sustaining the heaviest casualties. There were also major economic losses in the United States and elsewhere in the region. Flooding severely affected eastern and southern Asia with hundreds of lives lost, hundreds of thousands of people displaced and severe economic damage. Wet conditions led to good crop production in many parts of the Sahel, with record yields reported in Mali, Niger and Senegal.1 Detection and attribution studies have demonstrated that human influence on the climate has been a main driver behind the unequivocal warming of the global climate system observed since the 1950s, according to the Fifth Assessment Report of IPCC. Human influence has also led to significant regional temperature increases at the continental and subcontinental levels. Shifts of the temperature distribution to warmer regimes are expected to bring about increases in the frequency and intensity of extremely warm events.
1 Unless stated otherwise, information on crop yields and production in this Statement is derived from Crop Prospects and Food Situation, No.4, December 2016, FAO
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