For five decades, the RGS Explore Weekend has helped turn ambitious ideas into viable expeditions. Diana Maclean traces the event's evolution and asks what exploration is for today
Chinook salmon have sustained communities along Alaska’s Yukon River for millennia. Tom Parfitt reports on a collapse that’s threatening both livelihoods and culture
From mountains and ancient paths to threatened rivers and disappearing species, Robert Macfarlane tells Jonathan Lorie why our relationship with the natural world still leaves us with room for hope