Mount Kenya's melting peaks: Glaciers expected to vanish by 2030

Key Concepts

• Tropical Glaciers: Glaciers found in high-altitude, tropical regions, particularly vulnerable to climate change.
• Glacial Retreat: The shrinking in size and mass of glaciers, primarily due to melting.
• Krampons: Spiked metal frames attached to boots for walking on ice and snow.
• Point Lana: A summit on Mount Kenya.
• Moisture Deficit: A reduction in the amount of water vapor in the air, exacerbating glacial melt.

Mount Kenya’s Disappearing Glaciers: A Rapid Decline

The report focuses on the dramatic glacial retreat occurring on Mount Kenya, highlighting the implications for water resources and ecosystems. A century ago, approximately 18 glaciers covered Mount Kenya, with the Lewis Glacier being the largest. Currently, the remaining glacial ice represents only about 1/120th of its original volume from 100 years ago, and scientists predict complete disappearance within approximately 5 years.

Witnessing the Change: First-Hand Account

Charles Machuri, a hiking guide with 25 years of experience on Mount Kenya, observes the ongoing melting firsthand. He expresses a desire for human intervention to mitigate global warming and potentially restore the glaciers, stating, “If there's anything that maybe human being can do to save maybe the grumbbo warming and uh to restore this one, it would be good for everyone here.” This sentiment underscores the local concern regarding the loss of these vital ice formations.

The Climbing Experience & Historical Comparison

The report details a climb towards the Point Lana summit (approximately 300m below the peak) with Machuri and his team. The conditions experienced during the climb demonstrate the extent of the change. Where climbers previously required krampons to navigate knee-deep snow, the ascent is now significantly easier due to the lack of substantial snow cover. This illustrates a tangible shift in the mountain’s landscape.

Scientific Explanation of Accelerated Melt

The report explains that the rapid glacial retreat isn’t solely due to increasing temperatures. A critical factor is the reduction in atmospheric moisture at high elevations. This means that when ice melts in sunlight, it isn’t being replenished by snowfall, leading to a net loss. Scientists emphasize that highland, high-elevation tropical glaciers are disappearing at a rate faster than previously anticipated due to this combined effect.

Broader Implications: Water Supply & Ecosystems

The loss of glacial ice on Mount Kenya poses a significant threat to water supplies and the ecosystems dependent on them, impacting millions of people. The report emphasizes that tropical glaciers are particularly vulnerable and are expected to disappear before glaciers in many other regions. The changing climate on Mount Kenya is described as rapid and unpredictable, with weather patterns shifting quickly at altitudes exceeding 5,000 meters above sea level.

Concluding Statement

As stated by Malcolm Webb of Al Jazeera, the iconic snow cap of Mount Kenya is “almost completely gone.” The report serves as a stark warning about the accelerating effects of climate change on vulnerable ecosystems and the urgent need for action. The concluding call to action encourages viewers to subscribe to Al Jazeera for reliable news and expert insights.