2022 in France: The hottest year on record and alarming signs

The year 2022 has gone down in French climate records asthe hottest year on record, with anaverage temperature of 14.5°C. This record temperature far exceeds that of 2020, until then the sad record holder. Every region of France has felt this excessive heat, except Île-de-France, where 2022 ranks second. This phenomenon does not stop at France's borders: other European countries such as Spain, Belgium, Italy, Germany and Ireland also experienced their hottest year in 2022.

This exceptionally hot year has been punctuated by heat waves, rainfall deficits and unprecedented soil drought. Indeed, 2022 ranks as the second-lowest rainfall year since records began in 1959, with a record rainfall deficit of 25%. Similarly, the soil drought was one of the longest and most widespread in France's history, affecting three-quarters of the country. Furthermore, the extreme weather events of 2022 were not confined to mainland France. Overseas, significant floods, cyclones and bad weather hit Martinique, Guadeloupe, French Guiana, Reunion and French Polynesia.

Global warming is mainly caused by the increase in greenhouse gases in the Earth's atmosphere, a direct consequence of human activities. These gases, such as carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O), trap the sun's heat at the Earth's surface, causing global warming. This rise in temperature is exacerbated by deforestation and the burning of fossil fuels such as oil, coal and natural gas.

Climate change has grave consequences for the environment and society. Rising temperatures alter ecosystems, threaten biodiversity and intensify extreme weather events such as hurricanes, floods and droughts. In addition, climate change affects human health, causes population displacement and exacerbates economic and social inequalities. Rising temperatures threaten the poorest and most vulnerable populations, who are often the hardest hit by these impacts.

Faced with a worrying climate future, France and the world must act. Climate models predict hotter summers, longer and more intense droughts, affecting agriculture and water quality. The impacts on biodiversity are worrying, with species forced to migrate and an increased risk of forest fires. Extreme conditions could lead to heat-related health problems and an increase in insect-borne diseases. Adaptation and resilience to climate change, as well as reducing greenhouse gas emissions, are more essential than ever.