A reader in Ontario wonders if plastic soil beads are safe for her plants, and advice maven Umbra Fisk digs in.
A reader who lives near Puget Sound wonders how he can tackle a home improvement project with a clean conscience. Advice maven Umbra Fisk lays it on thick.
A piercing question from Saskatoon: Which disposable utensils have the least impact? Advice maven Umbra Fisk sets the table with an answer you "woodn't" believe.
When an expectant mother from St. Louis wonders what kind of mattress is best for baby, advice maven Umbra Fisk spits up a few suggestions.
Seafood has its share of baggage, from overfishing to mercury -- does that outweigh the nutritional benefits? Reel talk from advice maven Umbra Fisk.
When a writer from Vermont finds herself in a tea-obsessed office, she wonders which water-heating method is the most energy-efficient. In response, advice maven Umbra Fisk thinks steep thoughts.
Which stovetop is most efficient, a reader from B.C. wonders -- and advice maven Ask Umbra cranks up an answer.
A recently converted vegan wonders if it takes more energy to produce cooking oils than it does to make butter. Advice maven Umbra Fisk says she shouldn't waffle.
When a reader in France wonders what role cheese should play in a carbon-conscious diet, advice maven Umbra Fisk explains whether he needs to give Swiss a miss.