Washington, Jan. 21 -- : US President Joe Biden on Wednesday (local time) signed an executive order that revokes a key permit for the controversial Keystone XL pipeline.

This is a devastating blow to the approximately 1,200-mile-pipeline that carried oil from Canada to the US, The Hill reported.

In 2019, former President Donald Trump signed a presidential order to initiate construction of the controversial Keystone XL oil pipeline with a facility in Montana.

The pipeline construction was initially blocked by former President Barack Obama's administration following agitation by various environmental groups who argued that the pipeline supports the extraction of crude oil from oil sands, which pumps about 17 per cent more greenhouse gases ...