Energy

Los Angeles Mayor Karen Bass waves an Olympic flag on her return from the closing ceremony of the Paris games on August 12, 2024.

Can a City Known for Its Freeways and Gridlock Deliver a Car-Free Olympics? Los Angeles Thinks So

To make good on its promise, the 2028 host city is in a four-year sprint to ready its public transportation for the onslaught of athletes, coaches and spectators

Every pound saved in a car’s weight matters, reducing fuel consumption in gas-powered cars or extending the range of electric vehicles.

Automakers Are Making New Steels for Stronger and Lighter Cars

Novel materials are hitting assembly lines with just the right properties to build cars that are both safer and more fuel-efficient

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Can the Noise in Sports Arenas Be Turned Into Electricity?

Seventeen-year-old Gyeongyun Lily Min is hopeful it can someday, after testing the concept on a scale model of an NBA stadium

The Nesjavellir Geothermal Power Station. Geothermal power has long been popular in volcanic countries like Iceland, where hot water bubbles from the ground.

Is Geothermal Power Heating Up as an Energy Source?

Long confined to regions with volcanic activity, the method of harnessing energy from the Earth promises to become much more versatile thanks to new technologies

CES 2024, the world's largest annual consumer technology trade fair, was held in Las Vegas January 9-12.

The Eight Coolest Inventions From the 2024 Consumer Electronics Show

A solar-powered electric vehicle, an at-home “multiscope,” an office bike that charges your devices and more were unveiled at the annual Las Vegas trade show

See-through wood has a number of interesting properties that researchers hope to exploit.

The Surprising Possibilities of See-Through Wood

Stronger than plastic and tougher than glass, the resin-filled material is being exploited for smartphone screens, insulated windows and more

Consumer products made from carbon capture can't undo the damage we’ve done to our planet—but each of them exists thanks to innovations that could. 

Little Luxuries Made With Captured Pollution Hint at Big Frontiers in Climate Science

Entrepreneurs are using jewelry, fragrances and clothing to demonstrate what’s possible with repurposed carbon—and environmentalists have questions

Vertical farming can produce as much as traditional farming while using less water and less energy—if executed correctly.

Empty Office Buildings Are Being Turned Into Vertical Farms

With office usage hovering near 50 percent of pre-pandemic levels, cities are putting the underutilized space to new use growing food

Range anxiety is still a major hurdle for prospective EV buyers.

What Will It Take to Charge Electric Vehicles Faster?

To get more EVs on the road, these scientists are working to charge a car in the same time that it takes to fuel up at a gas station

Driver-optional e-tractors promise to increase efficiency while cutting emissions.

Planet Positive

Could Electric Tractors Revolutionize Farming?

The vehicles may change the agricultural landscape by scaling sustainability and increasing efficiency

A sadhill crane flies over the San Luis Valley.

Planet Positive

Planet Positive

From stories about rebounding species to dispatches about green innovations, <em>Smithsonian</em> magazine shares environmental practices that are working.

The adaptive lighting cooked up by Camilla Rathsach and Mette Hvass would automatically adjust to the availability of moonlight, tweaking this church&rsquo;s lighting automatically to balance visibility and darkness. This mock-up shows how the church would be lit under a full moon.

This Danish Church Is a Beacon for How to Protect Wildlife From Artificial Light

A proposed design looks to automatically adjust the exterior lighting on the Anholt Island building to the moonlight

Large-scale production of green hydrogen is seen as an alternative to the use of fossil fuels in the coming decades. Latin America is well-positioned to play a large part in this new industry and already has several projects in the works.

Can Green Hydrogen Help Power Latin America?

In anticipation of future demand, several projects are underway in the region to produce this clean energy source

The new solar panels would filter light more efficiently.

Farmers May Not Have to Choose Between Crops and Solar Panels

With a new photovoltaic panel, researchers harness sunshine to harvest energy and food together, taking advantage of the full light spectrum

Cotton fields

It's Time for the Fashion Industry to Launch a Farm-to-Closet Movement

For fiber and textile producers, the path to growing sustainable cotton, hemp and flax is complicated

Robert Sansone with his novel synchronous reluctance motor

This 17-Year-Old Designed a Motor That Could Potentially Transform the Electric Car Industry

Robert Sansone's research could pave the way for the sustainable manufacturing of electric vehicles that do not require rare-earth magnets

An alkaline hydrolysis machine at White Rose Aqua Cremation in Escondido, California

Could Water Cremation Become the New American Way of Death?

A sustainable option for what to do with our remains is trickling into popular consciousness

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When Coal First Arrived, Americans Said 'No Thanks'

Back in the 19th century, coal was the nation's newfangled fuel source—and it faced the same resistance as wind and solar today

Smart windows that tint in response to stimuli such as heat or light, or a user&rsquo;s preference, are becoming more common, but it may be a while before the tech is mainstream.

What Will It Take for Smart Windows to Go Mainstream?

Specialized glass that keeps heat in during winter and lets it out during summer could make buildings much more efficient

Steered by a computer to loop in the wind, this kite converts wind energy into electricity via a tether attached to a generator on the ground. Currently, such kites can generate enough electricity to power 60 average US households.

Planet Positive

Could High-Flying Kites Power Your Home?

Nearly a dozen companies are betting on computer-controlled, airborne wind energy to electrify the future

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