Salmon wars

India is revolutionising its approach to space exploration. Science journalist Alok Jha follows preparations for the country’s first human spaceflight mission. For decades, India focused its space programme on limited, inexpensive projects directly benefiting its citizens, such a ...  Show more

The Canadian prime minister, Mark Carney, has given his generals and admirals an unusual command: spend money. Lots of it. Quickly. For years, it was the other way around. Canada wore the uniform of a serious NATO ally – while undershooting the alliance’s 2% of GDP defence spendi ...  Show more

Dan Saladino investigates the possible extinction of wild Atlantic salmon within 20 years. Dan travels from the River Spey on Scotland's east coast to fish farms in the west in order to plot the decline of one species, the wild salmon, and the rise of another, farmed salmon.From ...  Show more

Half of the world’s river systems host hydro-electric dams. They offer reliable electricity but their construction forces people from their homes and disrupts the natural life of the river.Scores of dams already span the Mekong River, the great waterway linking China to Vietnam. ...  Show more

This episode is part of a special series in collaboration with Gastronomica: The Journal for Food Studies, guest hosted by Gastronomica editorial collective member Melissa Fuster. John Gifford discusses salmon and sustainability, drawing from his piece that appears in the current ...  Show more

Salmon are one of the world’s most popular fish. And - in terms of the size of the industry - they’re also the world’s most valuable. They provide crucial proteins and fatty acids to many people’s diets. But like other species of fish, their production is undergoing a historic ...