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
Ask Umbra on trash, toxics, and tots
Q. Dear Umbra,
Municipal and individual composting operations are gaining steam nationwide. Some obvious benefits include space-saving in landfills, and cheaper and (hopefully) “greener” fertilizer. While I am an avid supporter of composting, I am curious if municipalities with composting facilities could see decreased decomposition rates in their landfills. Do yard and plant scraps even play an integral role in landfill decomposition? Thank you.
Todd
Vancouver
A. Dearest Todd,
Since
