Ask Umbra®
Hey! Did somebody frack my favorite beer?
A reader worries about fracking water tainting beer. Umbra hops to it.
Help! I need eco-friendly party favors — on a budget
A reader wonders if there's a better alternative than the dreaded, plastic-filled goodie bags. Umbra reaches into her huge bag of tricks.
Is carving jack-o-lanterns wasteful?
A reader is scared about the wasteful side of Halloween. Umbra carves out an answer.
Is it better to crank up the thermostat or buy a space heater?
A reader wants to stay warm without wasting energy. Umbra turns up the heat.
What’s better, synthetic or standard motor oil?
A reader wonders which lube he should use in his new car. Umbra has answers in a jiffy.
What’s the best solar charger for my cellphone?
A reader needs a better solar charger, and he's buying on a budget. Umbra plugs him in.
Which water cooler is coolest?
A reader wonders which is more energy efficient, bottle-fed water coolers or the newfangled point-of-use kind. Umbra distills the answers.
What’s the most energy-efficient way to charge my cellphone?
A reader wonders if it's better to plug into the wall or his laptop. Umbra hooks him up with the latest in charger technology.
Which protein is lighter on the land, chicken or cheese?
A reader is trying to fromage an opinion on protein. Umbra helps him poulet his head out of the dairy air.
