Energy & Green Tech

How pre-cooling homes could dramatically reduce energy usage

It's a typical, sweltering August day in Los Angeles, with temperatures pushing 95° downtown. When people get home from work in the late afternoon, the first thing they do is crank up the AC to cool their overheated homes.

Energy & Green Tech

Brazil clean electricity hits decade high

Brazil burned fossil fuels for electricity at the lowest level in more than a decade in February, thanks to booming use of wind and solar power, said a study published Thursday.

Energy & Green Tech

UN urges 'complete transformation' of global energy system

Climate change risks undermining global energy security unless the use of renewables is dramatically scaled up, the UN warned Tuesday, suggesting the Ukraine conflict's ripple effects could speed up the green transition.

Energy & Green Tech

Energy crisis pushes nuclear comeback worldwide

As the costs of importing energy soars worldwide and climate crises wreak havoc, interest in nuclear power is on the rise with nations scrambling to find alternative sources.

Energy & Green Tech

Is the electrical grid prepared for climate change?

Summer heat waves across the country tested whether America's aging electrical grid can keep up with demand—a problem scientists say will be exacerbated by climate change, as severe hurricanes, wildfires and other weather ...

Energy & Green Tech

Technology enhances solar option during outages

During a power outage, we might not think of using the sun as a backup generator. But solar energy is playing a key role in keeping the lights on when the power is knocked out.

Energy & Green Tech

Los Angeles now has a road map for 100% renewable energy

Los Angeles is one of the last places in California still burning coal for electricity—and if all goes according to plan, it could become one of the country's first major cities to nearly eliminate fossil fuels from its ...

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