Tensions between the world’s biggest nuclear powers are on the rise. So are global nuclear stockpiles. Russia is making threats, the United States is also rattling its nuclear saber and China is expanding its arsenal.
13:30 UTC
Eco IndiaFuture-proof innovations to protect nature
Insects give shrimps a boost in Tamil Nadu - and add bite to pizza toppings. Can local conservation efforts reverse damage at Srinagar’s Dal Lake? Plus hotel owners in Catalonia find creative solutions to water shortages.