Why should Lebanon accept rulings from the international community when Israel has ignored almost every single one since 1948?! The core of the issue is the 30 square kilometers Shebaa Farms area which Israel occupied in 1967. Syria and Lebanon claims that it is Lebanese territory and Lebanon wants it back. Israel claims that it was Syrian territory that it occupied and subsequently annexed in 1980.

Regardless of whether the Shebaa Farms area is Syrian or Lebanese territory, it clearly isn't Israeli territory. https://pij.org/articles/9/understanding-the-shebaa-farms-di...