If you send me about 5 bitcoin I can turn it into a all singing all dancing food forest/community coppice without the guerilla aspect.
Land is very expensive in England I have been trying to buy for about 15 years. Last auction I looked at ended up being about £40,000 an acre!
Might as get something done before I kick the bucket, it's just pockets of housing association land where contracters butcher the shrubs or cut the grass. I won't be planting in people's gardens...