Grist thanks its sponsors. Become one. To support our nonprofit environmental journalism, please consider disabling your ad-blocker to allow ads on Grist. Here's How Heavens, it’s a big week for pot ...

The cannabis industry has a limited time to weigh in on a California Energy Commission proposal to force new energy efficiency standards for indoor lighting used in horticulture. While LEDs are ...

SEATTLE, Wash. -- Seattle currently has 17 marijuana grow operations. There are 107 more waiting for approval. If all of them start using Seattle's power grid to light up their plants, it would add ...

BOULDER – A few years ago, retired electrical engineer Tom Thompson noticed it was getting harder and harder to hear his friends across the country talking to him on their ham radio sets. So Thompson ...