On Jan. 20, 2021 President Biden revoked the 2019 permit issued by President Trump to allow construction and operation of the pipeline across the US-Canada border. In doing so, President Biden pointed to the 2015 determination by President Obama that the Keystone XL pipeline would not serve the national interest, as well as the increased impacts of climate change on the national economy since that time. TC Energy canceled the pipeline project on June 9, 2021.