What is land banking?

I saw someone talking about land banking in the uk. what is it? and what are some good options for this? any good places in canada/open to canadians. and are there age limits?

I'm 16, and I want to know if I will be able to open these types of accounts or make these kinds of investments

the purchase of shoreline properties by a government, presumably to reduce development pressure or to preserve the parcel as a park or as open space.