Numerous studies show that the world’s wealthiest people have a significantly larger impact on the environment. Megayachts can produce more carbon pollution than a small country, so many believe the ultra-wealthy should have to pay a luxury carbon tax.

Whether it’s restricting sales for litter reasons or health reasons, governments around the globe are placing laws on who can buy cigarettes. The question now is whether these rules will become mainstream in any real way.

Researchers were happily surprised to learn that Lake Enigma, a frozen lake in Antarctica believed to be completely dry underneath its icy exterior, was teeming with microbial life. They also found around 40 feet of liquid water at the bottom of its lake bed.

The need for wildlife overpasses might seem small, but think of all the places that would benefit from them by reducing the danger of crashes for drivers and animals.