Go see this amazing slideshow of vintage recycling posters on TreeHugger!
It’s just a single word. But it says it all. Recycling scrap and other materials was a very big deal; they go through a lot of steel and aluminum in ships, planes and tanks, and the mills are working full out.
via Recycling for Victory! 18 Great Posters From When Every Little Bit of Scrap Made a Difference (Slideshow) : TreeHugger.