Every day 20 unusual lions greet visitors at a tiny animal park in Addis Ababa, Ethiopia. These lions, which have spent generations in captivity, are not like most African lions (Panthera leo leo). For one thing, they are slightly smaller than the wild lions found elsewhere on the continent. For another, the males carry distinctive [...]

African elephants face two terribly contradictory threats: In some parts of the continent the animals are being hunted into extinction for their valuable ivory tusks, but in other countries elephants are so heavily overpopulated that they pose a threat not just to themselves but to entire ecosystems. South Africa faces the latter problem. There are [...]

A year ago, Volkswagen in China launched a marketing campaign called The People’s Car Project (PCP), which invited Chinese customers to submit ideas for cars of the future. Participants were able to tinker with designs on a Web site that Volkswagen set up for that purpose, or they could upload their own designs. Wang Jia, [...]

Tens of thousands of whales were slaughtered each year for decades from the mid 1800s to the early 1900s, in the service of lighting city streets, painting ladies’ lips and providing multitudinous other modern conveniences. This monomaniacal hunt led many species to the brink of extinction. But recent research has suggested that gray whale (Eschrichtius [...]

During the 352-year life span of the Royal Society, the human population has risen from less than one billion people to seven billion and counting. That boom has been supported by science and technology—Watt’s coal-fired steam engine, Haber and Bosch synthesizing nitrogen fertilizer, Fleming’s discovery of penicillin—and continues today as the world’s population expands at [...]

An additional 150 people join the ranks of humanity every minute, a pace that could lead our numbers to reach nine billion by 2050. Changing that peak population number alone could save at least 1.4 billion metric tons of carbon from entering the atmosphere each year by 2050, according to a new analysis—the equivalent of [...]

For decades, apocalyptic environmentalists (and others) have warned of humanity’s imminent doom, largely as a result of our unsustainable use of and impact upon the natural systems of the planet. After all, the most recent comprehensive assessment of so-called ecosystem services—benefits provided for free by the natural world, such as clean water and air—found that [...]

Two typical German shepherds kept as pets in Europe or the U.S. consume more in a year than the average person living in Bangladesh, according to research by sustainability experts Brenda and Robert Vale of Victoria University in Wellington, New Zealand. So are the world’s environmental ills really a result of the burgeoning number of [...]

When it comes to feeding Earth’s masses of people who regularly go hungry, a few things are clear: communism’s large-scale, collective farms don’t work, and breeding for specific traits in staple crops can boost yields, sometimes significantly. After all, two of the most significant agricultural successes of the past 50 years—a period marked by explosive [...]

Florida stone crabs (Menippe mercenaria) are known to diners for their sweet, meaty claws. And octopuses also seem to relish these delicacies. Reports are coming out of Florida that the stone crab fishery is way down this year—and many think local common octopuses (Octopus vulgaris) are to blame. The crabs are caught in traps, most [...]

Electricity is used for many purposes – for example, illuminating a space, cooking food, cooling a store, or running a production line. In Wyoming, more than half of the electricity sold in the state is used for industrial applications. In the District of Columbia, more than 60% is sold to the commercial sector. When searching [...]