The Paris Agreement is a legally binding international treaty on climate change, adopted by 195 countries during the United Nations Framework Convention on Climate Change (UNFCCC) in Paris in 2015. The agreement aims to limit global warming to below 2°C above pre-industrial levels and to pursue efforts to limit the temperature increase to 1.5°C above pre-industrial levels. The treaty also seeks to strengthen countries` ability to cope with the impacts of climate change and to enable low-carbon, sustainable development.

But what countries are actually part of the Paris Agreement? As of May 2021, 191 out of 197 parties to the UNFCCC have ratified the Paris Agreement, covering over 99% of global greenhouse gas emissions. The six countries that have yet to ratify the agreement are Angola, Eritrea, Iran, Iraq, South Sudan, and Yemen.

It`s worth noting that while the United States, under the leadership of former President Donald Trump, withdrew from the Paris Agreement in 2017, President Joe Biden signed an executive order on his first day in office to rejoin the agreement. The U.S. officially rejoined on February 19, 2021.

Each country that has ratified the Paris Agreement has committed to regularly reporting on their emissions and progress towards their climate goals, as well as to increasing their ambition over time. They have also agreed to financial and technical support for developing countries to help them transition to low-carbon economies and build resilience to climate impacts.

The Paris Agreement has been hailed as a historic achievement in global efforts to address the climate crisis, but there is still much work to be done. Countries will need to ramp up their climate efforts and increase their ambition to limit global warming to safe levels and prevent the worst impacts of climate change.

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