I have scanned the comments, but I have not read the article. The title begs an imponderable issue. There is energy used in making every thing we import and i

I have scanned the comments, but I have not read the article. The title begs an imponderable issue. There is energy used in making every thing we import and in every thing we export. This invisible energy can be shipped back and forth multiple times. How do you add all that up to achieve an answer?