A third of California methane traced to a few super-emitters

NASA scientists are helping California create a detailed, statewide inventory of methane point sources—highly concentrated methane releases from single sources—using a specialized airborne sensor. The new data, published ...

Power grid change may disrupt clocks

A yearlong experiment with the nation's electric grid could mess up traffic lights, security systems and some computers - and make plug-in clocks and appliances like programmable coffeemakers run up to 20 minutes fast.

Huge US solar plant lags in early production

The largest solar power plant of its type in the world—once promoted as a turning point in green energy—isn't producing as much energy as planned.

Major hurdle cleared in plan to demolish 4 California dams

Federal regulators on Friday issued a draft environmental impact statement saying there were significant benefits to a plan to demolish four massive dams on Northern California's Klamath River to save imperiled migratory ...

Hydrokinetic proposal for Mississippi river

(PhysOrg.com) -- Everyone is looking for alternative forms of energy, and one company proposes to generate electricity from the flow of the river Mississippi in the US, without using dams to control the water flow.

A better way to connect solar, wind to the grid

The sun makes sidewalks hot enough to fry eggs, the wind blows hard enough to tear fences, but if solar and wind energy can't be converted to the 60-hertz alternating current (AC) standard in the United States, it can't be ...

Looking to the sun to create hydrogen fuel

When Lawrence Livermore scientist Tadashi Ogitsu leased a hydrogen fuel-cell car in 2017, he knew that his daily commute would change forever. There are no greenhouse gases that come out of the tailpipe, just a bit of water ...

Winds of change as Seychelles embraces green power

On two islands surrounded by deep turquoise water, the blades of eight wind turbines spin, providing a rare source of green energy for the port of Victoria, the Seychelles capital.

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