Conversation so far:
What kind of influences from the outside world is the article pertaining to?
Maintaining a traditional pastoral lifestyle has become increasingly difficult due to outside influences of the modern world.
Has this been a positive thing for them or negative?
influence ecologists and policy makers about the harm Maasai pastoralists were causing.

Question: What problems are they having?
Self-contained rewrite: What problems are the Maasai people having?