Discussion about this post

User's avatar
Sarah A. Green's avatar

To be chemically clear, lots of stuff is made from petroleum because petroleum is made of strings of carbon atoms that we’ve learned to collect, purify and break up.

The exact same molecules could be made from other sources of carbon, like cellulose or other plant materials.

The molecules would be identical: pharmaceuticals, food dyes and flavorings, polyester, plastic toys, and your toothbrush. Carbon atoms can be configured in an infinite variety of shapes, into poisons or life-saving drugs. (hydrogen, oxygen, nitrogen, and other atoms are added selectively)

So there are two basic issues:

1. The source of the carbon is important for the climate because petroleum sources add ancient carbon into the atmosphere while plants are recycling carbon that’s already there.

2. The molecules being made with the carbon can be good, bad, or innocuous.

The processing of petroleum is well developed (high T and pressure; high energy use, toxic solvents). But biology makes really complicated molecules at body temperature in water. We haven’t figured out how to do that very well, yet.

The field of “green chemistry” looks at the entire chain from source, manufacture, use, reuse, disposal to make safer, healthier processes for people and planet. (See talks by Paul Anastas and others.)

Expand full comment
John Schwarzkopf's avatar

Excellent analysis. I eat very little junk food and no fast food and this is just more confirmation of what I already knew about the processed food industry. They have bought and paid for the FDA and obese and unhealthy Americans are the result.

Expand full comment
18 more comments...

No posts