Umbra advises a landlord whose tenants were tough on their tub -- but the lack of options leaves her fuming.
A reader is eager to get a jump-start on his pasta by opening the hot-water tap -- but Umbra gives him a few heavy reasons to hold off.
When a reader wonders whether he has to switch out all the CFL bulbs in his kitchen at once, Umbra sockets it to him.
Umbra swirls around the topic of bathrooms, drought, and those seemingly unavoidable gratuitous flushes.
Umbra sheds a little light on solar chargers.
A reader wonder about natural lubes. Umbra glides through the options.
Choosing hand sanitizers over the old scrub-and-rinse may conserve water, but it might not banish germs, either. Umbra digs up the dirt.
Cloth fiber from trees! Sounds like a good deal for the planet -- and it can be, says Umbra. But there's a few "gotchas" to consider.
We’re talking about water molecules, of course. Umbra gets into hot water.