EarthTalk Q&A

Dear EarthTalk: I understand that many of the world’s fisheries are on the brink of collapse, “fished out,” to put it bluntly. How did this happen and what is being done about it?

Dear EarthTalk: I’ve read conflicting reports about the dangers of non-stick cookware. I have a set of older non-stick pans and am not sure if I need to replace them. Are they harmful to use, particularly if they have a few scratches?

Dear EarthTalk: Has the McDonald’s restaurant chain made significant improvements in recent years with regard to the environment?

Dear EarthTalk: What is “biomass” and why is it controversial as a potential source of energy?

Dear EarthTalk: I understand that there are many kinds of automatic features that can be incorporated into a home—even some that can be operated remotely—that can save energy and provide other environmental benefits. Can you enlighten?

Dear EarthTalk: My family has bad allergies and I’d like to improve our indoor air quality. What are some steps I should take?

Dear EarthTalk: What is the purpose of National Wildlife Week, which I understand will take place in March 2013?

Why is it that airplane exhaust is so much worse for the environment than engine emissions on the ground?