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EarthTalk®

Dear EarthTalk: Freight companies like FedEx, UPS and all those 18 wheelers on the highways probably generate a lot of pollution and global warming. Is anything being done to address this? — Michael Brown, Washington, DC

EarthTalk®

Dear EarthTalk: I want to use cleaning products that are healthier for the environment, but I worry that baking soda and the like won’t really get my tub and toilet germ-free. Should I continue using bleach products in the bathroom? — Margaret Pierce, Columbia, MO

EarthTalk®

Dear EarthTalk: What is the environmental impact of so many people now using sites like Facebook and spending so much time online? — Bob Yearling, Paris, TX