Nature’s vital contribution to human wellbeing is deteriorating worldwide at an unprecedented and accelerating rate, with grave impacts likely, according to a major report approved by more than 130 of the world’s governments. Continue reading →
Peeling away the bark to prepare barkcloth. Credit: Joyce Nanjobe Kawooya /Wikimedia Commons
Women in Uganda sewing barkcloth pieces together. Credit: Barktex
Across the tropics, people worked out long ago how to transform fig tree bark into comfortable cloth—the practice could even predate weaving. In Uganda, such barkcloth has served as a symbol of protest, a form of money, and the exclusive raiment of kings and queens. It has been suppressed by religion, colonialism, and war, yet the tradition has persisted. And now barkcloth has found a new life as a source of local pride, as well as in international markets for home furnishings, high fashion, and even aerospace materials. It is creating jobs, and is entirely sustainable. Continue reading →
This post was first published by Scientific American in August. As such, it refers in the future tense to a meeting that took place back in September. You will find an update — and some good news — at the end of the story.
Before whales dive into the darkness of the deep ocean they often come to the surface and release a huge plume of faecal matter—which can be the colour of over-steeped green tea or a bright orange sunset. When Joe Roman, a conservation biologist at the University of Vermont, saw one of these spectacular dumps in the mid-1990s, he got to wondering: “Is it ecologically important? Or is it a fart in a hurricane?” Continue reading →
It has been called the ‘cocaine of the sea’ — the dried swim bladder of the totoaba fish, when smuggled from Mexico to China, sells for US$40-60,000 per kilo thanks to its supposed medicinal qualities. While the fish is critically endangered as a result, the situation of another animal that gets caught in totoaba nets is even more dire. The illicit trade has driven the world’s smallest marine mammal — a kind of porpoise called a vaquita — to almost certain extinction. At the last count, only 12 remained alive. Continue reading →