Dear Earthtalk: What advantages do so-called "vertical farms" have over traditional gardens and farms? - Sylvia Pleasant, Washington, DC
When Dickson Despommier's book "The Vertical
Dear EarthTalk: How are environmentalists putting drones to use to help further their causes?
- Joe Martin, Baltimore, MD
Conservationists are utilizing drone or "unmanned aerial systems" (UAS)
Dear EarthTalk: With summer officially here now, what can you tell us about which sunscreens are safe and which are not?
— Clara Rosen, New York, NY
Skin cancer is by
Dear EarthTalk: I've heard that, above and beyond our bad eating and lifestyle habits, some chemicals in everyday products are contributing to the obesity problem. Can you explain?
Dear EarthTalk: We often see and read reports about environmental threats to women's health, but aren't there also concerns about which men should be especially vigilant?
Dear EarthTalk: What are the environmental implications of the so-called "driverless car" that Google and others are working on right now?
— April Jackman, Barre, Mass.
Just a decade
Dear EarthTalk: A recent study showed that Bisphenol A (BPA) was hardly the human health risk researchers once believed it to be. Should I still try to avoid products that
Dear EarthTalk: I recently became vegetarian for ethical reasons, but I am missing the taste of meat. Are there any tasty veggie options out there that can satisfy my desire
Dear EarthTalk: What would you consider to be the key areas we need to improve to make our food safer for our health and easier on our environment?
— Billy A.
Dear EarthTalk: Apple just put out a big PR campaign about its sustainability initiatives. Has the company made real progress in this regard or is this just more corporate "
Dear EarthTalk: What's going on with Earth Day this year and how can I get involved?
— Christine B., Boston, Mass.
This coming April 22 will mark the 44th
