EarthTalk Q&A: Expert Environmental Insights & Answers

There are lots of safe herbal alternatives to common over-the-counter pain medications these days.

Gem mining around the world can indeed be very destructive to the surrounding environment, leading to many problems such as soil erosion and sedimentation, water pollution and depletion, poisoning of wildlife and vegetation, flooding—even landslides.

Vinyl siding may not pose identifiable risks once installed properly on your home, but its production and disposal contribute to a wide range of health and environmental problems. In producing Polyvinyl Chloride (PVC), the basic element in all vinyl products, workers are exposed to a multitude of hazardous chemicals

Dear EarthTalk: What is "acid rain" and what causes it?

Dear EarthTalk: How can I recycle my old propane gas tank that can no longer be refilled?

If you have an older propane gas tank that has been denied refilling by a retailer, it is probably because it lacks an Overfilling Prevention Device (OPD). As of April 2002, the National Fire Protection Agency’s (NFPA) safety code requires an OPD on every propane tank that holds between four and 40 pounds of the gas

A recent study by the Environmental Working Group found that each day more than one million children ages five and under ingest unsafe levels of pesticides from food consumed at home.

Since the dawn of the automobile age, residents of urban areas worldwide have been choking on exhaust fumes and tempting fate every time they enter a crosswalk. According to J.H. Crawford, author of the book, Carfree Cities, as much as 70 percent of downtown space in most