Interesting article today about turning landfill methane into protein:
Mitsui and science startups look to landfill gas for sustainable food for the future | The Japan Times
Imagine a world where gas emitted from landfills can be turned into edible protein that ends up on your plate as a burger or a steak. That's what some scientists are hoping for. Calysta Inc. in California and String Bio in the Indian city of Bangalore are among biotechnology firms that have separately discovered ways to turn methane into protein.
A related signal of change:
A Dutch research team has managed to produce protein by reacting the ammonia nitrogen in sewage water with hydrogen and carbon dioxide. This creates a single cell protein that can be used in animal feed and perhaps eventually for human consumption.