WTO..."No unfair encouragement export???"?

Question

What is "no unfair encouragement exports"? What are the obstacles? And what were the solutions?? Thank you!

Answer 1

Cannabis, Silver, Wood, Gold, Emeralds, Oil, Sea food, Cows, Pigs, Vegetables, Nuts, Fruits, Leather , furs, labor force

Answer 2

Proponents of the idea argue, first, that American producers would otherwise be disadvantaged by the higher costs that their country's stricter standards impose on them. Second, they maintain, a tax would encourage developing-country governments to cut the carbon-intensity of their economies for fear of losing lucrative export markets.