Which is greener, a real or fake Christmas tree?

(Photo: Jorge Barrios /
Wikipedia)
For many families, the centerpiece of Christmas celebrations is the luminous, awe-inspiring tree set up with care in the living room. But with all the options now available, how do you know which Christmas tree is the greenest choice for the environment?
Should you go for a real, fresh tree, as nearly 29 million households do, according to the National Christmas Tree Association?
Compressed air cars less efficient than electric cars

It has been assumed that compressed air cars are cleaner than battery electric cars, but the reality is they are quite inefficient. A new study published in the journal Environmental Research Letters reveals that while in theory compressed air cars seem like a potential competitor to EVs, when it comes to lifecycle efficiency, they just don’t make the grade.
The problem lies in the electricity needed to
Cold Water Dishwashing? An Experiment in Green Living

When you live in an old, drafty dump of a house — like, for example, mine — you learn to innovate in order to keep your energy bills from looking like the Pentagon budget.
So last night I ran my dishwasher using only cold water. Blasphemous, I know, but Ed Hagerty (one of my readers) inspired me to try something different. Like me, Ed lives in











