Climate change poses threats to hydropower in Sikkim due to:

Changing rainfall patterns
Glacier retreat
Increased landslides
All of the above

The correct answer is: All of the above.

Climate change is causing a number of changes to the Earth’s climate, including changes in rainfall patterns, glacier retreat, and increased landslides. These changes are having a significant impact on hydropower in Sikkim.

Changing rainfall patterns are making it more difficult to predict when and how much rain will fall. This can make it difficult to manage hydropower reservoirs and can lead to flooding or droughts.

Glacier retreat is reducing the amount of water available for hydropower generation. Glaciers are a major source of water for rivers in Sikkim, and as they retreat, the amount of water available for hydropower generation is decreasing.

Increased landslides are also a threat to hydropower in Sikkim. Landslides can damage hydropower infrastructure and can also block rivers, leading to flooding.

Climate change is a serious threat to hydropower in Sikkim. The changes that are happening to the Earth’s climate are making it more difficult to generate hydropower and are also increasing the risk of hydropower infrastructure being damaged.

Here are some additional details about each of the options:

  • Changing rainfall patterns: Climate change is causing changes in rainfall patterns around the world. In some areas, rainfall is becoming more intense, while in other areas, it is becoming less frequent. These changes can make it more difficult to predict when and how much rain will fall. This can make it difficult to manage hydropower reservoirs and can lead to flooding or droughts.
  • Glacier retreat: Glaciers are a major source of water for rivers in Sikkim. As the Earth’s climate warms, glaciers are retreating. This is reducing the amount of water available for hydropower generation.
  • Increased landslides: Climate change is also causing an increase in the number of landslides. Landslides can damage hydropower infrastructure and can also block rivers, leading to flooding.

These are just some of the ways that climate change is impacting hydropower in Sikkim. Climate change is a serious threat to hydropower and other water resources around the world. It is important to take action to mitigate the effects of climate change and to adapt to the changes that are already happening.