add some information to my paper

i need you to add some information the part in the paer saying high- income countries and middle and law i need more information about these countries from here about the environmental laws in a particular country, there are lots of groups that write reports describing and ranking countries. See, for example, this one: https://epi.envirocenter.yale.edu/

Or:

https://www.google.com/search?q=country+environmental+rankings&oq=country+environmental+rankings

the part about qatar add some more information to it like why is that country have high income , what kind of busins does this country have , where these number come from .

the part about united arab emartites add some information to it do the same .

the part about us add infomration why is this country has missle income do more resrch

uk the same

the part about somila and kenya why these country have that number of income where does this number come from