‘Tuvalu’ has become a point of discussion recently. Why?
A country under threat of submergence due to ice melting and sea level rise
Understanding Why Tuvalu is a Recent Point of Discussion
The question asks why the island nation of Tuvalu has been a recent point of discussion. Let's explore the options and the widely reported situation concerning Tuvalu.
Tuvalu is a small island country located in the Pacific Ocean. It is known for its low elevation, making it particularly vulnerable to changes in sea level.
Analyzing the Options
Let's look at each option provided:
- Option 1: Potato plant that could grow in high altitude. This option describes a plant related to agriculture in specific environments. This is not connected to the nation of Tuvalu or recent global discussions surrounding it.
- Option 2: Place in equatorial Africa, where snow is found. This option describes a geographical location in Africa known for a specific climate phenomenon. Tuvalu is located in the Pacific Ocean, not equatorial Africa.
- Option 3: New innovative technology to meet global warming. While technology is being developed to combat global warming, this option describes a technology in general and doesn't specifically explain why Tuvalu itself is a point of discussion.
- Option 4: A country under threat of submergence due to ice melting and sea level rise. This option directly addresses a major environmental issue faced by low-lying island nations like Tuvalu. Ice melting, largely due to global warming, contributes to rising sea levels, which poses an existential threat to countries with very low elevations.
Tuvalu and the Threat of Submergence
Tuvalu's average elevation is only about 2 meters above sea level. This geographical characteristic makes it extremely susceptible to the impacts of climate change, particularly sea level rise. Scientific consensus indicates that global sea levels are rising due to the melting of glaciers and ice sheets, as well as the thermal expansion of seawater caused by increased global temperatures.
For Tuvalu, rising sea levels mean increased coastal erosion, saltwater intrusion into freshwater sources and soil (damaging crops), and a greater risk of flooding during storms and high tides. In the long term, there is a significant concern that parts of, or even the entire nation, could become uninhabitable or submerged.
This severe vulnerability to climate change impacts has made Tuvalu a prominent voice in international climate negotiations and a symbol of the disproportionate impact of global warming on small island developing states (SIDS). The nation has been discussing various strategies, including potential relocation of its population and innovative legal approaches to maintain statehood even if land is lost.
Therefore, the threat of submergence due to ice melting and resulting sea level rise is the primary reason Tuvalu has been a significant point of discussion recently in global environmental and climate change contexts.
| Option | Relevance to Tuvalu |
|---|---|
| Potato plant in high altitude | None |
| Place in equatorial Africa with snow | None (Tuvalu is in Pacific) |
| Innovative anti-global warming technology | Indirect (Tuvalu needs solutions) |
| Country under threat of submergence by sea level rise | High (Primary reason for discussion) |
Conclusion on Tuvalu's Discussion Point
Based on the analysis of the options and the widely reported environmental challenges facing Tuvalu, the most accurate reason for its recent discussion is the threat of submergence caused by sea level rise linked to global warming and ice melting.
Revision Table: Key Concepts
| Term | Description |
|---|---|
| Tuvalu | A low-lying island nation in the Pacific Ocean. |
| Sea Level Rise | The increase in the average global sea level, primarily due to thermal expansion of water and melting ice. |
| Global Warming | The long-term heating of Earth's climate system observed since the pre-industrial period (between 1850 and 1900) due to human activities, primarily fossil fuel burning, which increases heat-trapping greenhouse gas levels in Earth's atmosphere. |
| Submergence Threat | The risk that land areas, especially low-lying coastal regions or islands, will be permanently covered by rising sea water. |
| Ice Melting | The process by which glaciers, ice sheets, and sea ice turn into water, contributing significantly to sea level rise. |
Additional Information: Climate Change Impact on Island Nations
Small island developing states (SIDS) like Tuvalu are on the front lines of climate change impacts, despite contributing minimally to historical greenhouse gas emissions. Their low elevation and small size make them extremely vulnerable to rising sea levels, but also to other climate change effects such as:
- More intense tropical cyclones and storms.
- Changes in rainfall patterns, leading to droughts or floods.
- Coral bleaching due to warming ocean temperatures and acidification.
- Impacts on fisheries and marine ecosystems.
The threat of losing their homeland due to sea level rise raises complex issues of sovereignty, migration, and human rights. Tuvalu's situation highlights the urgent need for global action to mitigate climate change and support vulnerable nations in adapting to its unavoidable impacts.
Important Questions from Miscellaneous
A stone is thrown horizontally from the top of a 20 m high building with a speed of 12 m/s. It hits the ground at a distance R from the building. Taking g = 10 m/s2 and neglecting air resistance will give :
A mass is attached to a spring that hangs vertically. The extension produced in the spring is 6 cm on Earth. The acceleration due to gravity on the surface of the Moon is one-sixth of its value on the surface of the Earth. The extension of the spring on the Moon would be:
Directions: Each item in this section consists of a sentence with an underlined word followed by four words (a), (b), (c), and (d). Select the option that is opposite in meaning to the underlined word and mark your response in your Answer Sheet accordingly.
The deluge affected the population.The major source of vitamins and minerals for vegetarians is
Which of the following statements about the Deccan Riots Commission is/are correct?
1. The Commission did not hold enquiries in the districts which were not affected.
2. The Commission did record the statements of ryots, sahukars and eye-witnesses.
Select the correct answer using the code given below:
