Browsing: Environment

Many common air pollutants—ozone, various sulfur oxides, and even some particulate matter among them—are completely invisible to the eye. How interesting, then, that the EPA and other environmental organizations around the world, use color scales to communicate information about air quality. The US Air Quality Index, for instance, starts at green, meaning good air quality, moves […]

Searching for the ultimate example of recycling? Look in the mirror.

This is exactly the kind of photo you would not see in environmentalist literature.BMJ / Shutterstock When environmentalists petitioned to designate the polar bear a threatened animal under the Endangered Species Act in 2005, they were not, in fact, out to save the polar bear. They were out to save the world. Since the polar […]

Tales of monsters invading Japan are a longstanding tradition, usually involving menacing kaiju—literally “strange creatures”—rising from the sea to wreak havoc on a Japanese city. At this very moment, the country is engaged in just such a war, with an entire army of invasive creatures, but they’re both less fearsome and more adorable than Godzilla […]

Should extraterrestrials be looking down at Earth from space, they would know a few things about us humans. They would know our routines are dictated by the sun. They would see that we tend to congregate and build near water. But perhaps most of all, they would know that we move. Today’s world is an […]

If an intelligent alien species landed on the small bit of galactic rock that we call home, they might get out of their spaceships, have a look around, and decide that we—that is, our species—are the master builders on our planet. There would be plenty of reasons to think so. We build bridges spanning enormous […]