10 places to get free or cheap coffee on National Coffee Day
September 28, 2015, 1:42 p.m. by Robin Shreeves
On Sept. 29, there's no shortage of free java to be had.
Does canning or freezing have a smaller footprint?
August 11, 2015, 12:11 p.m. by Lloyd Alter
There are a lot of factors that complicate what seems like a simple question.
Inventor of Soylent lives a minimalist, off-grid lifestyle in L.A. Is he nuts?
August 4, 2015, 12:07 p.m. by Lloyd Alter
Is he a creepy nerd messiah, or a role model for a greener, more sustainable lifestyle?