Is the climate summit, organized by Joe Biden, a turning point in the fight against global warming? If it is too early to tell, American voluntarism has prompted many countries to revise their climate ambitions upwards. Thus, the European Union, the United Kingdom, Argentina and the United States have submitted new commitments to reduce their greenhouse gas emissions during this virtual international meeting. China, Japan, Canada and South Africa have also pledged to do more to combat global warming.
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