I often come across this statistic: the ammonia industry is responsible for 1% of global greenhouse gas emissions. Where did this "1%" number come from?
If you look at the footnotes, you realize that the sources for this statistic are decades old; most citations lead to Vaclav Smil's Enriching the Earth, published in 2000. Nonetheless:
The statistic holds true today - the number is closer to 1.024%, as I'll demonstrate.