I don't say they are so much responsible for them but they are..
More than 20 Republican-led states sue Biden for canceling the Keystone XL pipeline
It’s the latest event in the more than 10-year struggle over Keystone XL’s expansion.www.vox.com
Dumbocrat is as Dumbocrat does:
Keystone XL is an export pipeline that benefits the Chinese at the expense of the US taxpayer. You should have known that in 2011.