As Russian troops accumulate at the Ukrainian border, some fear the country could withhold natural gas to Europe in the event of military conflict.

A Colorado community is building affordable housing that uses solar power to offset its carbon emissions, thanks to its location.

Coal producers are reluctant to ramp up production because it takes a lot of money. And who knows how long demand will last?

Separate operations focused on aviation, health care and energy will be more agile — and independent of one another’s weaknesses.

Some say keeping Trump-era levies on foreign-made panels and cells will help the U.S. meet Biden’s domestic goals for renewable energy.

Instead, they’ll put about $18 billion a year into renewable energy projects.

The road to a clean, affordable and reliable power grid won’t be straightforward.

While some lawmakers look to stop new drilling, the existing rigs are continuing to operate.

In California, energy companies gamed the markets and ushered in large-scale blackouts in 2000-2001, incidents that have Enron’s fingerprints all over them.

Nodules on the ocean floor are rich in cobalt, nickel, manganese and copper. But deep-sea mining has raised environmental concerns.