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?
Affordable by Design
The principle “small is beautiful” is often held aloft by environmentalists, but it’s not always practiced by Earth-conscious architects, whose tony showcase eco-homes are sometimes sprawling mansions.
Greening Habitat for Humanity
In the fall of 1995, a group of architects, environmentalists and builders converged on Atlanta for a symposium on encouraging low-cost green home design in the non-profit sector. "There’s nobody out there really focusing on affordable green housing," says Global Green USA Executive Director Matt Petersen, whose group co-sponsored the conference with Habitat for Humanity, the Department of Energy (DOE) and several private foundations.
The Roots of Recycling
Although it may appear to be a new phenomenon, recycling in one form or another has been practiced for centuries—even in ancient civilizations.
The Smoking Gun
The politics of passive smoke are creating a hot new environmental issue, with competing studies, massive lobbying and last-minute legislative maneuvering. Smokers are becoming the new pariahs.
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.
Are there any efforts underway to green the air travel industry?
Environmental battles over the siting and expansion of airports are as old as the air travel industry itself, but only in recent years have the airlines themselves been under pressure to go green.
I recently had an argument with a friend who says that if we pollute
It is true that Mother Nature has amazing powers to restore her ecosystems, and most scientists agree that it would be nearly impossible for humans to destroy the Earth itself, despite our success at wreaking environmental havoc.
Is it true that global warming can exacerbate allergies?
Global warming can make allergies worse simply because the major pollen producers that trigger allergic reactions thrive and flourish in warmer air.