Did Frankenstorm Sandy crush Halloween hopes?
Activists in Ningbo, China, hit the streets and succeeded in scuttling plans to expand a plant that produces the chemical paraxylene, or PX.
Frankenstorm Sandy is a freak of our decidedly human-damaged nature. Scientists mostly agree that climate change had a hand in crafting it. But how, exactly?
It turns out -- and this will shock you -- that living near a coal mine or coal plant is unhealthy.
A reader wonders if she can skip the trip to the big-box store and save the planet at the same time. Umbra answers unequivocally: "Yes. No. Maybe."
Infocomic: New report shows big gains for cycling and transit, if not city infrastructure.
"The Human Experiment," narrated by Sean Penn, looks at the tens of thousands of untested chemicals that pervade our daily lives, the industry that wants to keep it that way, and the activists fighting back.
Looking for a way to please the wee zombies without jacking them up on store-bought sugar? Here are a few tricks you might try.
As the economy recovers, Americans are finally moving again -- at least the young, urban-bound population.