This was reported way back in July, but just to make sure we have the news here: a new, animated The Green Hornet adaptation was announced, and is currently being developed!
These are some of the details:
The animated series is being developed by Kevin Smith, a long-time fan who previously worked on Green Hornet comics
He is working on it with Peanuts owner WildBrain
The series is set in contemporary times, with a re-imagined Green Hornet and Kato (the grown son of the original Green Hornet, and the daughter of the original Kato).
It will be target to a family audience
Source: Deadline
Feel free to also check out our wiki article about the series.