Bikes are already pretty near perfect. Here are 5 ways to make them even more visible, safe, and fun.
A 'shroom-based alternative to Styrofoam; fungi's crucial role in carbon storage; and using oyster mushrooms to "mycoremediate" damage from pesticides and storm runoff.
90 companies around the world have caused nearly two-thirds of all global greenhouse gas emissions since the beginning of the Industrial Age.
Uh oh: A giant hornet with a bad temper that can fly at 25 miles per hour and is attracted to the smell of sweat--or fear.
The fearsome European hamster is described by BBC Wildlife as "somewhat laddish" and "bolshy in temperament" (i.e., macho and aggressive). It's also too tasty for it's own good.
On the one hand: Climate change is depleting the ozone layer, so you need sunscreen to protect yourself from UV rays. On the other: Chemicals from washed-off sunscreen are damaging aquatic ecosystems.
In the face of climate change, the Sierra Club’s mission has expanded far beyond preserving wild places. Sierra pulled aside Dan Chu, head of the Club’s Our Wild America campaign, to ask him about wilderness protection in an overheating world.
Wilderness is where we come from, and we are adapted through evolution to the rigors and beauties of such landscape. It's time for those of us who know wilderness, and who understand the idea of it, to wrest that idea back from its hijackers.
Half a century ago, the United States resolved to protect vast tracts of undeveloped land “where man himself is a visitor who does not remain.”