energy efficiency
This Device Zaps Water With Electricity to Make It Drinkable
A big step toward a scalable, energy-efficient water purification device.
Why Keeping CO2 Emissions Stable Won’t Save Us From Climate Change
CO2 emissions were stable worldwide in 2016 as the global economy grew.
The US Hasn’t Seen Carbon Emissions This Low Since 1991
Thanks to warmer weather and renewable energy, carbon emissions in 2016 were the lowest they’ve been since 1991.
An Incandescent 'CLOUD' Sculpture Lights Up Overhead
A weightless-looking cloud made from thousands of incandescent bulbs.
Samsung Denies That It's Misleading Regulators Over TV Energy Use
The Korean giant has denied any wrongdoing in an incident that’s drawn parallels to Volkswagen.
Gaming Computers Use a Truly Astonishing Amount of Energy
They suck down $10 billion worth of electricity a year, and that number's poised to double if we don't start thinking efficiently.
California Clean Energy Program Just Isn't Creating Jobs
Voters approved the Clean Energy Jobs Act in November 2012, which promised to close a loophole in the state's corporate tax and create 11,000 clean energy jobs each year.
Here's the Good News and the Bad News About Progress on Climate Change
The International Energy Agency says, for the first time in 40 years, the world's economy expanded without an increase in carbon pollution — but more needs to be done to limit emissions.
If You Want to Help the Environment, Sometimes It's Better to Fly Than Drive
Today's commercial jets are far more efficient than the typical car for some trips, according to a new study from the University of Michigan's Transportation Research Institute.
The Eiffel Tower Is Going Green
Two wind turbines have been installed within the tower's structure, which is part of a clean energy and efficiency upgrade aimed at reducing the monument's ecological footprint.
There's a Big Energy Story Unfolding and It's Not About Cheap Oil
US solar production has exploded in the past several years as panel prices have plummeted, but the government policies that have supported the sector's growth are under attack, say industry observers.