The huge carbon footprint of cement (and what we can do about it)
January 27, 2016, 8:15 a.m. by Sami Grover
Cement manufacturing contributes 5 percent of global carbon emissions. But what if it could become part of the solution?
Carbon dioxide could soon be transformed back into liquid fuel
December 28, 2015, 4:06 p.m. by Bryan Nelson
What if we could turn our fuel emissions back into fuel?
U.S. Christmas decorations use more energy than many nations do in a year
December 28, 2015, 6:13 a.m. by Bryan Nelson
Christmas is the season for many things, including a ridiculous carbon footprint.
All our gains in energy efficiency have been wiped out by increases in house size
November 18, 2015, 6:11 a.m. by Lloyd Alter
There are a number of reasons our houses are getting bigger, and it's a real problem.
Parallel worlds exist and interact with our world, say physicists
13 natural solutions for killing and deterring ants
12 plants that repel unwanted insects
Where is your dog on the canine family tree?
Artificial photosynthesis achieved in device that also cleans the air
In praise of 'scruffy hospitality'