Articles by Ask Umbra®
The New York Times calls Umbra Fisk "a trailblazer in the field of eco-advice columnists" and "the arch online sage of the new green age." Her latest passion: kale smoothies ... no, sorry, civic engagement, because getting political is the only way we'll get a planet that doesn't burn and a future that doesn't suck. Ask Umbra a question here.
All Articles
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![Motor oil]()
![Motor oil]()
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.
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![Solar charging phone]()
![Solar charging phone]()
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.
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![Some guy with a dumb face next to a water cooler]()
![Some guy with a dumb face next to a water cooler]()
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.
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![What's the problem, who cares so what, I don't know]()
![What's the problem, who cares so what, I don't know]()
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.
