It's not just tourists. Donors, government officials, conservation presenters and celebrities must also model appropriate behavior with primates.
"It's not that people are indifferent; it's just that they don't even know about it."
High meat consumption is also a leading cause of rising non-communicable diseases and harms the climate too.
Manmade activities were the primary cause of the warming trend registered throughout last year.
To try to quell human-wildlife conflicts, many conservationists and governments have turned to financial compensation.
To see how climate change is already devastating fragile ecosystems, look no further than the eastern Mediterranean.