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 ...

You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. An error has occurred. Please try again ...

AUGUSTA, Maine — Retired Coast Guard officer Roger Johnson sometimes notices a harsh buzz when he turns on his amateur radio, and he blames high-powered lighting used to grow pot. Amateur radio ...