EnvironmentHumans have interfered with most of the world's greatest rivers Long free-flowing rivers are incredibly biodiverse, but they have become increasingly rare and confined to remote regions in the Arctic, Amazon and the Congo basin 51¶¯Âþ
TechnologyGlobal leaders warn of ecological collapse and technological meltdown The top five global threats are all now either environmental or technological, according to a World Economic Forum survey of business and political leaders 51¶¯Âþ