ISLAMABAD: The first global assessment examining all Unesco-designated World Heritage sites, Biosphere Reserves, and Global Geoparks reveals that every 1ºC of global warming avoided could halve the number of sites exposed to major disruption by the end of the century, it emerged on Thursday. In its assessment, titled “People and nature in Unesco-designated sites: Global and local contributions”, Unesco said that by failing to act now, pressures will intensify and natural systems in more than one in four sites could reach critical tipping points by 2050, potentially undermining both ecosystems and the communities that depend on them. Scaling up integrated management, restoration, inclusive governance, and targeted policies, alongside increased investment, was termed essential to sustain and expand these proven approaches and strengthen their resilience, Unesco said. The report further stated that securing the future of Unesco-designated sites requires investment commensurate with their global significance. Ma...