Heat Pumps Gain Traction as Renewable Energy Grows
A switch from natural-gas-powered home heating and cooling could be cheaper and reduce carbon emissions
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Nobelist Says System of Science Offers Life Lessons
At an event honoring Nobel and Kavli Prize winners, economist Paul Romer talked about how the social system of science offers hope for humanity and for how we can live with each other.
Washington Aims to Decarbonize its Electricity Grid
It is the fourth state to pursue such a plan, with a couple others looking at following suit
Environmental Thinker Bill McKibben Sounds Warning on Technology
Known for climate change work, the pioneer says global warming, AI and genetic engineering are self-inflicted threats to humanity
Coal's Days in Navajo Country Are Numbered
The Navajo Nation’s shift away from coal and toward renewables is a test case for a wider U.S. transition
Solar Power's Benefits Don't Shine Equally on Everyone
Racial and ethnic minorities have less access to solar power, regardless of income, highlighting the need for environmental justice
Europe Stores Electricity in Gas Pipes
Converting excess wind and solar power into hydrogen can extend renewable energy’s reach
Russia's New Nuclear Missiles Squeeze Response Time
As treaties end, Russia focuses on hypersonic weapons that could “tighten the noose” on current U.S. defenses
How Co-ops Are Bringing Solar Power to Rural America
Declining solar costs have helped spur a move away from coal
Southwest States Make Large Strides on Renewable Energy Targets
New Mexico and Nevada are poised to enact far-reaching changes to reduce greenhouse gas emissions
Radioactive Glass Beads May Tell the Terrible Tale of How the Fukushima Meltdown Unfolded
The microscopic particles unleashed by the plant’s explosions are also a potential environmental and health concern
An Arizona Utility Is Betting Big on Energy Storage
The shift underscores declining storage costs, but questions remain on whether the move will bring down emissions
Putting Solar Panels on Water Is a Great Idea—but Will It Float?
The U.S. has been slow to embrace the technology, even though Japan and China are zooming ahead
Researchers Show How Not to Waste Waste
A number of studies about number two
"Rectenna" Converts Wi-Fi to Electricity
Researchers built a small, flexible device that harvests wi-fi, bluetooth and cellular signals, and turns them into DC electricity. Christopher Intagliata reports.
Climate Concerns Are Pushing Oil Majors to Look beyond Fossil Fuels
Several companies are diversifying their businesses, from biofuels to electric vehicles
A Powerful Alternative to Alternating Current
Ultra-high-voltage direct current takes electricity farther with less loss.
Experts Urge U.S. to Continue Support for Nuclear Fusion Research
An international fusion project could help the nation eventually develop its own, smaller reactor
Experts Aren't Taking a Shine to California's Rooftop Solar Rule
Energy economists say the new home requirement is inefficient and benefits wealthier people; supporters say it’s just one piece of the puzzle
Batteries: Beyond Lithium
The lithium-ion batteries that underpin so much modern technology are nearing their developmental limits, which is why battery scientists are looking beyond lithium.
