The towering tropical peaks of Papua are on the brink of losing their iconic white caps. Situated on the world's second-largest island just north of Australia, the Sudirman Range has maintained permanent ice and snow for centuries despite its close proximity to the equator. Today, however, only minute remnants of snow remain near the summit of Puncak Jaya, also known as Carstensz Pyramid.
Researchers monitoring the region indicate that these final patches of ice will likely vanish entirely within the next couple of years. Historical measurements show that glacier coverage across the mountain range has plummeted from nearly 1,900 hectares during the nineteenth century down to roughly 16 hectares today. This massive regression has unfolded rapidly, wiping out entire glacial formations within the span of a single human generation.
Scientific expeditions have raced to study the vanishing ice before it disappears completely. Ice cores extracted from the slopes of Puncak Jaya hold vital archives of ancient atmospheric conditions and regional climate data. These frozen layers help researchers understand shifts within the neighboring tropical Pacific and the Western Pacific Warm Pool, providing crucial context for global climate trends.
Experts point to human-driven climate change as the primary driver behind the rapid melting. Rising global temperatures, fueled by the burning of fossil fuels, have driven the freezing altitude higher up the mountainside. Consequently, precipitation that once fell as snow now frequently arrives as rain. Natural climate fluctuations such as El Niño can further accelerate this retreat, while localized weather patterns and topography dictate the exact speed of the melt.
Beyond its immense scientific worth, the snow-covered range holds profound spiritual importance for local Indigenous populations. At least five distinct Indigenous groups maintain deep cultural connections to the high-altitude landscape, viewing the peaks as sacred ground.
For the Amungme community, the mountain range is known as Nemangkawi, translating to the White Arrow. Traditional teachings utilize the snowy peak as a moral compass, encouraging younger generations to emulate its purity and steadfastness. Community leaders and activists express deep distress over the impending loss, comparing the erasure of their sacred landscape to the destruction of a major global religious sanctuary. As the physical ice continues to melt away, local communities face the painful prospect of seeing a foundational pillar of their cultural heritage fade into memory.
Reporting based on coverage first published by BBC News. Read the original report at BBC News.
