sharan burrow is the head of the international trade union confederation.nts to defend the climate as well as workers. we want to see this region live. at the end of last year, spain reached an agreement with unions and the companies involved to shut down all its remaining coal mines. the fourth generation. a deal was forged which promised 250 million euros to help miners like these retire early or retrain. they call it a just transition and believe it's a model for the rest of the world. sharan is here to tell miners there is help for them, but the spanish coal mining industry is done. what we need to do is say to them we won't leave you behind and we will fight to see governments don't leave you behind — or that corporations. but some of the miners remain unconvinced. sharan is visiting the recently shut down escondida mine in castilla y leon. one of many she's visited around the world to reassure workers about their future. coal burning is responsible for around one third of the rise in global temperatures. the biggest single source. it looks very rich,