Landscape with black plastic

If you live in, or visit, farmed land you will inevitably notice pieces of black plastic. It's everywhere: stuck in fences, hedges, trees, ditches, steams or simply drifting across fields - and into the sea.  Wonderful stuff - for wrapping silage or covering stacks of straw bales -  but the wind shreds it and off it goes, from here to eternity.
 It's not biodegradeable and barely recyclable since all it can be turned into is low-grade membrane for the construction industry and there's not much construction going on at present. In addition there's the cost of collection and conveyance too, besides which few farmers have the time or inclination to gather up used plastic.

The old Pembrokeshire wall-bank behind is an example of things built to last out of naturally occurring materials. A combination of earth and stones it can withstand any weather, serve as an ecological niche and is repairable if needs be. If not, if can be allowed to collapse and all the ingredients will re-integrate back into the landscape. 

Meanwhile the plastic fragments go drifting on, inert and ubiquitous.