The 2016 heatwave that caused mass bleaching on the Great Barrier Reef didn't just kill corals - it also significantly changed the makeup of fish communities that call these reefs home.
Across Japan, towns and villages are vanishing as the population ages and young people move to the cities. How the country manages this holds lessons for other developed nations facing a similar fate.
After centuries of decline and depolulation, the Highlands have thrived under the EU. Now Brexit threatens to turn back the clock.