Dear Dot, How long does leftover food last in a refrigerator? Is it important to cover or seal it, and why?  –David Dear David, “Food” is a pretty broad category. Some “leftover food,” of course, lasts months, like peanut...

Dear Dot, I like to wear fragrance. Is there a company that will make me smell great but has healthy ingredients for both me and the planet? – Bobbi The Short Answer: Check out databases like Think Dirty or EWG’s Skin...

Dear Dot, To enhance whiteness, are you suggesting to add lemon juice, white vinegar, and baking soda with the laundry strips? How much? Thank you. –Kathy Dear Kathy, While Dot is happy to let pet fur and dirt congregate in...

Dear Dot, I’m a Harvard alum and a recent article in the Gazette indicated that organic food is no better than conventionally grown. What say you, Dot?  –David The Short Answer: There are many factors that determine if organic...

Dear Dot, I recently received a card that’s printed on “seed” paper — that paper that has wildflower seeds embedded in it that we, presumably, should plant. But with all the talk about planting native species,...

Dear Dot, I saw the most amazing sunset last night. Someone told me the beautiful red color is because of pollution? Is there any truth to that? —Whitney The Short Answer: Those vibrant colors we see at...

I’m a realtor curious about how climate change is going to impact where people will want to live. What are some climate change concerns people should be considering before committing to a next home/next location? –Karen Dear...

Dear Dot, Does Dot know anything about responsible investing for 401(k) plans? I was looking at mine last night and realized I have an aggressive portfolio and know nothing about the companies. —Ali Dear Ali, While Dot tends to...

Dear Dot, I’ve heard that bike transit could really help fight climate change but New York City sometimes feels very anti-bike (and dangerous!). Why aren’t cities embracing bicycle infrastructure? –Kyle, Brooklyn The short answer: While more cities are...