World mayors pledge emissions-free cities by 2030
The mayors of London, Los Angeles, Paris and several other major world cities are pledging to ban gasoline and diesel vehicles from "large parts" of their cities by 2030.
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U.S. ocean observation critical to understanding climate change, but lacks long-term national planning
The ocean plays a critical role in climate and weather, serving as a massive reservoir of heat and water that influences tropical storms, El Nin?o, and climate change. In addition, the ocean has absorbed 30 percent of the ...
Cool flames for better engines
A "cool flame" may sound contradictory, but it's an important element of diesel combustion—one that, once properly understood, could enable better engine designs with higher efficiency and fewer emissions.
Soil amendments for healthier spinach
Soils keep plants healthy by providing plants with water, helpful minerals, and microbes, among other benefits. But what if the soil also contains toxic elements?
Creating longer-lasting fuel cells
Fuel cells could someday generate electricity for nearly any device that's battery-powered, including automobiles, laptops and cellphones. Typically using hydrogen as fuel and air as an oxidant, fuel cells are cleaner than ...
Even when it's sitting in storage, coal threatens human health
President Trump and his appointees have pledged to end what they call the "war on coal" – policies designed to reduce the health and environmental impacts from producing and burning coal, such as toxic air pollution and ...
Gazing into the flames of ionic winds
New 3-D visualizations that reveal how flames respond to electric fields could help improve combustion efficiency and reduce pollution.
Making lithium-ion batteries safer, stronger
Today's rechargeable lithium-ion batteries are good, but they could be much better in the future.
Volkswagen to electrify entire range by 2030
German carmaker Volkswagen doubled down Monday on efforts to clean up its image tarnished by the dieselgate scandal, vowing ahead of the IAA auto industry show to electrify its entire range by 2030.
With fossil fuel bans, e-cars shift into higher gear
Beijing's announcement that it is considering joining France and Britain in banning petrol and diesel cars from its smog-clogged roads promises to accelerate a push towards electric vehicles—a race in which Chinese carmakers ...
