The Spark

Sucking carbon pollution out of the atmosphere is becoming a big business—companies are paying top dollar for technologies that can

On Monday, we published our 2025 edition of Climate Tech Companies to Watch. This marks the third time we’ve put

On Wednesday, federal EV tax credits in the US officially came to an end. Those credits, expanded and extended in

This week, Commonwealth Fusion Systems announced it has another customer for its first commercial fusion power plant, in Virginia. Eni,

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