Paris Climate Agreement Climate Change

If Donald Trump is re-elected and the United States does not participate in the Paris agreement, other nations could probably adopt less aggressive measures to combat climate change. The United States is the largest historical contribution to climate change, although it has only 4% of the world`s population. While the Paris Agreement ultimately aims to limit global temperature increase to 1.5 degrees Celsius this century, many studies evaluating the voluntary commitments of some countries in Paris show that the cumulative effect of these emission reductions will not be significant enough to keep temperatures below that ceiling. Indeed, the targets set by the target countries should limit the future increase in temperature between 2.7 and 3.7 degrees Celsius. At the same time, recent assessments of countries` developments in the framework of their climate targets in Paris indicate that some countries are already not meeting their commitments. Carbon dioxide, nitrous oxide and methane are gases that accumulate in the atmosphere and prevent radiation from the Earth`s surface to space, creating what is called the greenhouse effect. According to the Intergovernmental Panel on Climate Change (IPCC), the main international panel on this issue, the concentration of these thermal gases has increased significantly since pre-industrial times and has not been observed for at least 800,000 years. Carbon dioxide (the main cause of climate change) has increased by 40 per cent, nitrous oxide by 20 per cent and methane by 150 per cent since 1750, mainly due to the burning of dirty fossil fuels. The IPCC says it is « extremely likely » that these emissions have been primarily responsible for the rise in global temperatures since the 1950s. Meanwhile, deforestation and forest degradation have also contributed to their fair share of global carbon emissions. During this period, the climate movement experienced very worrying headwinds. President Donald Trump officially withdrew the United States from the Paris climate accord in November 2020 – the only country to do so – while President-elect Joe Biden promised to reinstate the first day of his term in January 2021.