Glaciers Are Disappearing Almost As Fast As You Can Ski Down Them | Climate Games

TL;DR

Glaciers are disappearing at unprecedented rates because they are melting faster than they can be replenished. During JT Holmes’s one-hour descent, meltwater from one glacier could have filled 22 Olympic-size swimming pools, each holding 2.5 million litres. Because rapid melting raises sea levels and threatens densely populated coastal areas, read on to understand the experiment, the scale of the loss, and its consequences.

Transcript

(dramatic music) - Every day, there are news stories about climate change. And it's overwhelming and scary. But the overarching one that I've picked up on is that glaciers are melting. Goliath masses of ice, some of which have actually been around since the Ice Age. They hold about 70% of Earth's fresh water. But they are melting faster tha... Read More

Key Insights

• 👨‍🔬 Glaciers are melting faster than scientists anticipated, intensifying the problem of rising sea levels.
• 🫠 Climate change is the primary driver of glacial melting and its associated impacts.
• 🫠 Glacial meltwater from a single glacier can fill large volumes of water within a short period, demonstrating the speed and scale of the melting process.
• 🫠 Coastal communities, comprising 40% of the global population, are particularly vulnerable to the consequences of glacial melting, including increased flooding and shoreline erosion.
• 🫠 Glacial melting is a clear indication of the urgent need for action to mitigate climate change and preserve the environment.
• 🪐 Glaciers provide essential freshwater resources for the planet, making their preservation crucial for sustaining ecosystems and supporting human populations.
• 🫠 The visual impact of glacial melting, such as the disappearing ice masses, serves as a powerful reminder of the consequences of climate change.

Questions & Answers

Q: How fast are glaciers disappearing?

Glaciers are melting at unprecedented rates and faster than they can be replenished, so they shrink year after year. During JT Holmes’s one-hour descent, meltwater from one glacier could have filled 22 Olympic-size swimming pools.

Q: How much meltwater came from the glacier during JT Holmes’s descent?

The glacier released enough meltwater to fill an Olympic-size swimming pool every 166 seconds. Over JT Holmes’s one-hour trip from the top to the bottom, that amounted to 22 pools.

Q: How much water does an Olympic-size swimming pool hold?

The pool used for the comparison holds 2.5 million litres of water. A normal garden hose would take about 19 days to fill a pool of that size.

Q: Why does rapid glacier melting cause sea levels to rise?

When glacier ice melts too quickly, the resulting water contributes to rising sea levels. The transcript says this is a major problem because flooding and shoreline erosion are already affecting densely populated areas.

Q: What would happen if all glaciers on Earth melted?

If all glaciers on the planet melted, sea levels would rise by 230 feet. The video compares that increase to the height of a 16-story building.

Q: How many people are vulnerable to the effects of rising sea levels?

The transcript says 40% of the human population lives in densely populated areas that will be heavily affected. The identified threats include increased flooding and shoreline erosion, and these effects are already happening.

Q: How much of Earth’s fresh water is held in glaciers?

Glaciers hold about 70% of Earth’s fresh water. Some of these enormous ice masses have existed since the Ice Age, but they are now melting faster than scientists anticipated.

Q: What visible evidence showed that the glacier had receded?

During the trip in British Columbia, JT Holmes identified a zone where about 50 feet of ice had disappeared in the last few years. Exposed rock and abundant mini streams of meltwater made the glacier’s retreat and melting clearly visible.

Summary & Key Takeaways

• Glaciers hold 70% of Earth's fresh water, but they are melting at an alarming rate, resulting in rising sea levels.

• Increased flooding, shoreline erosion, and the displacement of densely populated areas are some of the immediate impacts of glacial melting.

• Glacial meltwater from one glacier could fill an Olympic-size swimming pool in around 19 days, highlighting the speed of the melting process.