 So, Denmark is now the first country in the world to tax farmers for how much greenhouse gases their livestock emits, and that includes cows, sheep, and pigs. This is part of Denmark's effort to target methane emissions. Officials say they want to reduce methane emissions by 70% from where they were in 1990, and they want to do this by the year 2030. The UN says livestock accounts for about 32% of human-caused