Ten Northeastern and Mid-Atlantic states have, in the face of federal inaction, agreed on a region-wide greenhouse gas emissions limit, enforced through the sale of pollution permits to large fossil fuel power plants there.
Dear EarthTalk: I understand that some Northeastern and Mid-Atlantic U.S. states have banded together to reduce their own greenhouse gas emissions. Can you enlighten? -- Bo Clifford, Cary, NC
One out of three counties across the contiguous U.S., says a recent study commissioned by the Natural Resources Defense Council, should brace for water shortages by mid-century as a result of human induced climate change.
The Center for Science in the Public Interest found compelling evidence that ingestion of artificial food dyes can contribute to hyperactivity, restlessness and attention problems in some children, especially those with ADHD.
Dear EarthTalk: Ever since the red dye #2 scare in the 1970s I’ve been wary of using food colorings or buying food that appears to contain them. Are there natural and healthy food colorings?
Dear EarthTalk: What’s the story with Echinacea? Many herb teas contain it, and many people swear by it as a cold remedy. But I’ve also seen headlines saying that the herb has no medicinal value whatsoever. Can you set the record straight? -- Arlene Hixson, Portland, ME
Dear EarthTalk: There are a number of companies out there now doing “energy audits” for the home, after which they try to sell you attic insulation and other products and services. Is this just a scam or would it be wise for me to look into this? -- Bill Richards., New York, NY
Dear EarthTalk: What do I need to know about the new U.S. energy efficiency standards for light bulbs that take effect in January 2012? Will certain bulbs be unavailable? And am I supposed to switch out my older inefficient bulbs with newer efficient ones? -- Melissa McCarthy, Aptos, CA
Dear EarthTalk: I always hear about hair products and sprays that claim to be natural and organic based. What are some hair products that can be purchased that are legit and cause no harm to the environment? -- Penny Siegel, Milwaukee, WI
Dear EarthTalk: Recycling can be a somewhat time-consuming task; so can you please provide some benefits of taking the time to separate my trash? -- Joseph Jiminez, Houston, TX
