....I'm positive that tires are no longer natural rubber, but likely a molecular analog of rubber made from, likely, petroleum itself, which is endocrine disrupting and burdens the liver, including the one who lives.Douglas Alpenstock wrote:Tires are a question mark. Some think they're brilliant and others worry about offgassing and leaching. Maybe it depends on the age and weathering. I'm not familiar with the hard science on this, or indeed if any has been done. I'm a big fan of recycling, but personally I would tend to look at other options for food production.