So much heat is emitted by air conditioning units in Phoenix it actually raises the city's outdoor temperature at night. Continue reading →
Tidal power can do what wind and solar can’t: provide reliable energy, right when you need it.
The world can still meet the UN goal to limit global warming provided it cuts annual greenhouse gas emissions by 40-70 percent by 2050, a top expert panel said Sunday.
Iceland is leading the way when it comes to using magma as an alternative source of fuel. Trace explains how this new power plant is changing how we heat our homes in hopes for a more sustainable future.
No one (besides Santa, of course) claims ownership over the North Pole ... but that may soon change. Guest Host Annie Gaus tell us which country is making a play for the North Pole and why.
Oil spills around or near residential areas are uncommon. But when they happen, they can be expensive and devastating. ->
Obama urges action "for the sake of our children and our future." ->
The desert agave plant has all the makings for a smooth biofuel.
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