The Spark

Hydrogen is sometimes held up as a master key for the energy transition. It can be made using several low-emissions

I remember using a princess toothbrush when I was little. The handle was purple, teal, and sparkly. Like most of

This week, I have a new story out about Quaise, a geothermal startup that’s trying to commercialize new drilling technology.

I’ll admit that I’ve rarely hesitated to point an accusing finger at air-conditioning. I’ve outlined in many stories and newsletters

China is the dominant force in next-generation energy technologies today. It’s pouring hundreds of billions of dollars into putting renewable

We got two big pieces of energy news from Google this week. The company announced that it’s signed an agreement

It’s crunch time for the grid this week. As I’m writing this newsletter, it’s 100 °F (nearly 38 °C) here

Lithium-ion batteries have some emerging competition: Sodium-based alternatives are starting to make inroads. Sodium is more abundant on Earth than

The clean cement industry might be facing the end of the road, before it ever really got rolling.  On Friday,