CLEAN : Christmas lights transform Kew Gardens into winter wonderland

The video discusses a trail with 22 art installations at Kew Gardens, celebrating nature and botanics. It highlights the importance of the gardens and the event's return after COVID disruptions. The event aims to be sustainable, using 75% LED lighting and reducing power consumption by 40% compared to last year, aligning with Kew's goal to be carbon positive by 2030.

What is the main purpose of the trail mentioned in the text?

How long is the trail and what does it celebrate?

What challenges did the event face in the past couple of years?

What measures are being taken to ensure the event is sustainable?

What is the goal for power consumption reduction mentioned in the text?