Dear EarthTalk: What are the environmental risks associated with beach resorts? — Shine Shoukkathali, via e-mail
Dear EarthTalk: What are some steps we can all take to prevent beach erosion?
Dear EarthTalk: What is solar geo-engineering and how can it help stave off global warming?
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 be able to provide an ample supply of fuel? — Curious in Warren, PA
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, Boone, IA
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 Angeles, CA
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
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
In April 2012, USA TODAY published a series entitled “Ghost Factories,” a report on an investigation into lead contaminated soil in hundreds of neighborhoods around the U.S. where lead factories once operated.