How London's 'lost' underground rivers could help curb carbon emissions
July 16, 2018, 9:26 a.m. by Matt Hickman
Campaigners see untapped potential in waste heat extracted from waterways buried beneath city streets.
San Francisco to expand demand-based pricing for parking
December 20, 2017, 9:42 a.m. by Matt Hickman
Just don't call it surge pricing.
Is climate change turning our vegetables into empty calories?
September 22, 2017, 8:58 a.m. by Christian Cotroneo
'Eating your greens' just isn't what it used to be.
Rush-hour pollution is a bigger problem than we thought
August 14, 2017, 2:03 p.m. by Sidney Stevens
A new study says commuting to work by car may be far more harmful to your health than previously believed.
Carbon dioxide in Earth's atmosphere just reached a major milestone
September 29, 2016, 9:36 a.m. by Russell McLendon
CO2 data from Mauna Loa in Hawaii suggest 400 ppm is the new normal.
Super-fast and electric are words of the week at Geneva Motor Show
March 5, 2016, 8:43 a.m. by Jim Motavalli
Electric cars are really shooting off into the stratosphere, and it’s all Elon Musk can do to keep up.