What Does “Rails-To-Trails” Mean Anyway?
What does the term “rails-to-trails” mean?
EarthTalk Q&A
What Is Ecologically Sound Tourism & How Can I Judge For Myself?
When I travel, how can I be sure that tour operators are practicing ecologically sound tourism? Are there certifications for “eco-tourism”?
Can those ubiquitous paper and foil juice boxes be recycled?
Juice box packaging, which is called “aseptic,” was originally invented to safely ship foods without the need for refrigeration, and to recipients who lacked refrigeration. In fact, the invention has helped feed many needy people in the developing world.
Are silver dental fillings, which contain mercury, toxic?
Despite their name, “silver” fillings are actually composed of about 50 percent mercury and 30 percent silver, with the remaining components divided among copper, tin, zinc and sometimes cadmium. Dozens of Americans have complained that the fillings have damaged
Guilty About Golf: How Your Favorite Pastime Is Killing The Planet
Maybe you should feel guilty about your golf habit, given the toll the sport — and keeping the greens and fairways in shape — takes on the environment.
Organic Beer: Bring It On!
I’ve enjoyed organic wines, but do any companies make organic beer?
Should I Eat Salmon From Fish Farms Or Wild-Caught?
Which is healthier to eat and better for the environment: farmed salmon or wild-caught?
Can Hair Dye Hurt Me?
Dear EarthTalk: Are commercial hair dyes dangerous to my health?
Dear EarthTalk: Which are healthier to eat: salmon grown on fish farms, or wild salmon?
What’s the deal with rBGH, the hormone given to cows that makes them produce more milk?
Cows naturally produce bovine somatotropin (BST) in their pituitary glands, and traces are secreted by the animals when they are milked. More popularly known as BGH, or bovine growth hormone, BST interacts with other hormones in cows” bodies to control the amount of milk they produce.
Can those energy-efficient compact fluorescent light bulbs that are popular now cause headaches
Energy efficient compact fluorescent light bulbs (CFLs) are taking the world by storm. But can they cause headaches due to flickering? Most experts say no: Unlike the older long tube fluorescent lights, the flicker rate of the new CFLs is way too fast for the human eye or brain to detect.