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.
Turtle 'marriage' ends after 115 years
'Signing Day' recognizes high school seniors starting jobs, not college
Honey badger fights leopard to rescue her baby
You know it's winter when it snows in the desert
9 of the world's largest dog breeds
New map of the night sky reveals 300,000 'hidden' galaxies