Dear EarthTalk: What are some steps we can all take to prevent beach erosion?
— Kyle Phillips, via e-mail
Beach erosion is a huge issue for coastal areas in the U.
Dear EarthTalk: I saw an article on sugar's effects on the environment. Has anyone compared different sweeteners (artificial or natural) for their environmental impacts?
-- Terri Oelrich, via
Dear EarthTalk: What is solar geo-engineering and how can it help stave off global warming?
— Jamie Renquist, Salem, Ore.
Solar geo-engineering is a term describing any of various techniques for
Dear EarthTalk: Is it true that American kids are going through puberty earlier today than in previous generations, and are there any environmental causes for this?
— Paul Chase, Troy, NY
Dear EarthTalk: What is the new documentary film "A Fierce Green Fire" about and what does the title refer to?
— Gloria Howard, Washington, DC
"A Fierce Green
Dear EarthTalk: Is it true that human overpopulation isn't such a big issue any more as numbers are expected to start declining in a few decades?
— Melinda Mason,
Dear EarthTalk: Might another possible source for ethanol be discarded pastries from bakeries? For that matter, wouldn't fermenting unsold bananas, oranges and apples from grocery store produce departments
Dear EarthTalk: I understand that there are many internships available at environmental organizations, some involving working outdoors, some year-round with expenses paid. Where do I find these?
— Jason Baar, Los
Dear EarthTalk: Some green groups are promoting the simple notion of sharing as a way to green communities and combat waste. Can you explain?
— Becky Lipscomb, Centereach, NY
The convergence
Dear EarthTalk: I'm planning a major home renovation and want to include as many green-friendly features as possible. Where do I begin to look?
— Matthew Glaser, Queens, NY
Dear EarthTalk: What are "ghost factories?"
— Philip Walker, Hartford, Conn.
In April 2012, USA TODAY published a series entitled "Ghost Factories," a report on an investigation
Dear EarthTalk: Hurricane Sandy brought more sea water onto shorelines than I'd ever witnessed before and many communities near where I live are now being required to raise
