The Forests of Kalimantan: A Natural Treasure Worth Protecting
1. Introduction Kalimantan, widely known as Borneo in the international community, is the third-largest island in the world. It is divided among three countries—Indonesia, Malaysia, and Brunei—but Indonesia holds the largest share, which is often referred to as Kalimantan . What makes this island extraordinary is its vast and ancient tropical rainforests, believed to be more than 140 million years old . These forests are among the oldest on Earth and play a vital role not only for Indonesia but also for the global environment. Often described as the “lungs of the world,” the rainforests of Kalimantan serve as a massive reservoir of biodiversity, culture, and ecological services. Yet, despite their importance, these forests are facing increasing threats that put their future at risk. 2. The Unmatched Biodiversity of Kalimantan Kalimantan’s forests are a paradise for scientists, conservationists, and nature enthusiasts. The island is recognized as one of the world’s biodiversity h...