What region is most impacted by desertification?

The coco river is a natural border between nicaragua and which other country

Hey this is extremely !international aid debate for geography 10 will mark de brainliest! questions are down below plz put an answer and evidence for it. q1: what are the problems with international aid? q2: what are the alternatives to international aid? q3: what do you think is the best approach to offer international aid? ( answer these questions with credible answers and evidence)

Which two nations are doing the most to combat their environmental issues?