Kielder Forest in Northumberland and Cumbria has grown from a few saplings to 158 million trees.
Humshaugh Net Zero wants to build a solar farm to produce cheaper, greener energy for the village.
Founder Jayne Walsham says the quilt helps families talk about their loss, some for the first time.
Villagers living near Walwick Hall say they are "devastated" that it is closing to the public.