Cerro Marmolejo 6108m, Chile. Matt led the British expedition to collect snow samples for subsequent air pollution analysis by Chilean climate change research group CR(2) from the mountain´s summit. Feature story and photography subsequently published by Geographical magazine

Extinction Rebellion and social revolution, Chile. Matt led communication and photographed civil disobedience activities by the climate change activist group XR.

Darién Gap, Panama. Research and photographic expedition following declaration of peace with FARC. Feature story and photography subsequently published by Geographical magazine.

Valle Colorado, Chile. Matt organised an expedition to photograph and film activists and mountaineers as they made the first ascent of Cerro Barco in the 142,000ha disputed territory that campaigners seek to convince the government to declare a national park on the outskirts of Santiago.