BBC: Research shows that the vast majority of armed conflicts occur in areas rich in biodiversity, says Eva Fearn. In this week’s Green Room, she explains how conservationists often find themselves on more than the front line in the battle to save species. In Afghanistan’s Wakhan region, a mountainous area bordered by Tajikistan and China, a herd of ibex deftly climbs a steep hillside. Across the valley, a man in Wakhi headdress views them through a spotting scope. His …