Here is an article about this posted on Princetons news site (August 22nd):

https://www.princeton.edu/news/2017/08/22/orange-new-green-h...

It cites an interesting court case by a rival company that occurred after the contact to dump was signed:

"But a year after the contract was signed — during which time 12,000 metric tons of orange peels were unloaded onto the degraded land — TicoFruit, a rival company, sued, arguing the company had “defiled a national park.” The rival company won the case in front of Costa Rica’s Supreme Court, and the orange-peel-covered land was largely overlooked for the next 15 years."