Climate change is on top of the agenda of UN these days. It's a really difficult issue to tackle because of lack of support from participating countries, especially those who contribute a significant percentage of carbon dioxide into the air such as China, India and the US.
Are there any mistakes? Thanks.
Top answer
New2grammar on top of the agenda ' at the top of the agenda'
— Philip
New2grammar on top of the agenda ' at the top of the agenda'
Free · every Monday
Get the Weekly English Kit 📬
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
I think participating countries is not a great choice - if they are participating, they are part of the discussion. Maybe from "some of the countries that contribute a significant..."