Synopsis
Greta visits the Taiga in Athabasca to see the impact of pests on the trees which, due to rising temperatures, aren't dying off. Local people protest against Greta as they rely on the tar sands for their local economy.
Similar broadcast resources

S1E1: Arctic | Ray Mears' World of Survival
Survival expert Ray Mears travels to the most inhospitable places on earth and discovers how indigenous people have survived. He takes on the Canadian Arctic and learns survival techniques from the Inuit.

Migration | Y Byd ar Bedwar
We investigate the plan to send asylum seekers to Rwanda.