EDMONTON, Alberta, Oct 18 (Reuters) – Teenage climate activist Greta Thunberg’s planned march in Canada’s energy heartland of Alberta will face a counter-rally by a convoy of oil and gas workers on Friday.

The truck convoy organized by pro-oil group United We Roll left the city of Red Deer on Friday morning, bound for Edmonton where the organizers plan to protest against outside interference.

“I am asking everyone connected to the oil and gas industry to come out in unity to show Greta we do not need her yelling at us,” United We Roll said on its Facebook page, adding that Alberta was proud of its “clean energy.”

Swedish activist Thunberg, who has mobilized a global youth movement against climate change, faces a difficult audience in Alberta where the energy sector provides 150,000 direct jobs and contributes more than C$71 billion ($54.1…