The preamble to the Paris Agreement highlights a wide range of issues and priorities to be considered in the implementation of the Agreement and in the implementation of climate action. This includes recognizing that, when taking action to combat climate change, parties should respect, promote and take into account their respective obligations with regard to human rights and the rights of indigenous peoples. The preamble also takes into account the importance of a just transition of workers and the creation of decent work and quality jobs. The overall objective of the agreement is to prevent global temperatures from rising by less than 2 degrees, for example by pre-industrial levels, in order to avoid the most catastrophic effects of sea level rise. The 4. In November 2019, the United States noted to the depositary its withdrawal from the agreement, which is to take effect exactly one year after that date.  Both the EU and its Member States are individually responsible for ratifying the Paris Agreement. A strong preference was reported for the EU and its 28 Member States to deposit their instruments of ratification at the same time to ensure that neither the EU nor its Member States commit to fulfilling obligations that belong exclusively to each other, and there was concern that there would be disagreement on each Member State`s share of the EU-wide reduction target. as well as the UK`s vote to leave the EU could delay the Paris Pact.
 However, on 4 October 2016, the European Parliament approved the ratification of the Paris Agreement and the EU deposited its instruments of ratification on 5 October 2016. October 2016 with several EU Member States.  Canada is among 191 signatories to the international climate agreement, including the European Union and Nepal, who also expressed support on Wednesday. “This is a testament to the need to work together towards a common goal. The agreement also reflects a compelling reality that while the transition to a low-carbon future may be a long one, the path is clear. We simply cannot continue on our current path. The government maintains that the provinces of Paris have indeed signed the Vancouver Declaration and that Ottawa can now ratify the agreement even without detailed plans. In his opening remarks at the UN ceremony on Friday, Trudeau said the Paris Agreement would be presented to Parliament next month and formally ratified later this year. Lawmakers on Wednesday night approved a motion supporting both the United Nations agreement and the Federal-Provincial Declaration issued in Vancouver last March, which committed Canada to take the joint action needed to “meet or exceed” its Paris commitment to reduce greenhouse gas emissions by 30 percent by 2030 compared to 2005 levels.