"2019 should be in the second or third rank of the hottest years ever recorded" since 1850, alert Tuesday the United Nations during the COP25 in Madrid. This warming has also been accompanied by extreme weather events, such as floods in Iran, droughts in Australia and heat waves in Europe.

The year 2019, with its share of climatic disasters, will be one of the warmest three years since 1850 and concludes a decade of "exceptional heat, ice retreat and record sea level rise to 'world scale,' warned Tuesday the United Nations Organization (UN), new alert science in full COP25 in Madrid. "

"2019 should be in the second or third of the hottest years ever recorded" since 1850, when systematic temperature surveys began. "2016, which began with an unusually strong El Niño, remains the hottest year," says the World Meteorological Organization (WMO), referring to the warm equatorial current of the Pacific.

Seven million people displaced by climate disasters

The rise in the average sea level is accelerating, the ocean is becoming more acidic, the Arctic sea ice is retreating and the Greenland icecap is melting. This warming has also been accompanied by extreme weather events, such as floods in Iran, droughts in Australia and Central America, heat waves in Europe and Australia, or forest fires that affected Siberia, Indonesia, and Indonesia. 'South America.

According to the Internal Displacement Monitoring Center (IDMC), more than 10 million people were internally displaced in the first half of the year, including seven due to climate disasters. Floods are the first cause, in the face of storms and droughts. The most affected regions are Asia and the Pacific.

Heat waves and floods once struck once every century

"The number of new trips related to extreme weather events could more than triple to around 22 million (people) by the end of 2019," says WMO. "Once-in-a-century heat waves and floods are occurring more and more regularly, and from the Bahamas to Japan to Mozambique, countries have suffered the devastating effects of tropical cyclones. forest swept the Arctic and Australia. "

At the current rate, the temperature could rise to 4 or 5 ° C by the end of the century. And even if the states respect the commitments already made, the increase in mercury could exceed 3 ° C, when the Paris agreement of 2015 plans to limit global warming worldwide well below 2 ° C, or 1.5 ° C.