360° UPSC Mains Analysis

Why is India pushing for coal gasification? | Explained

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Flora & Fauna

Asian Elephant (Elephas maximus)
Status: Endangered
Threat: Habitat fragmentation and disruption of critical migratory corridors (such as the Lemru Elephant Corridor) due to coal mining expansion.
Sloth Bear (Melursus ursinus)
Status: Vulnerable
Threat: Loss of dense forest habitats and increased human-wildlife conflict resulting from land diversion for coal mining.

Ecology Impact

Coal gasification is highly water-intensive, requiring substantial water for pollutant scrubbing and cooling, which can deplete local water tables and stress aquatic ecosystems. Additionally, the expansion of coal mining to feed gasification plants often leads to deforestation and habitat fragmentation in ecologically sensitive areas like the Central Indian coal belt.

Science & Tech Angle

Coal gasification is a thermo-chemical process where coal is partially oxidized using oxygen, steam, or carbon dioxide under high temperature and pressure to produce syngas (a mixture of carbon monoxide, hydrogen, carbon dioxide, and methane). This syngas can be cleaned of impurities (like sulfur and mercury) and used as a chemical feedstock for producing methanol, ammonia, synthetic natural gas, or hydrogen.

Climate Change Link

While coal gasification is promoted as a cleaner alternative to direct combustion, it remains highly carbon-intensive and can result in greater greenhouse gas emissions than natural gas unless coupled with Carbon Capture, Utilization, and Storage (CCUS). This poses a challenge to India's Nationally Determined Contributions (NDCs) under the Paris Agreement, which target reducing the emissions intensity of GDP by 45% by 2030 (from 2005 levels) and achieving net-zero emissions by 2070.

Sustainable Development

SDG 7 (Affordable and Clean Energy) and SDG 13 (Climate Action) are directly linked, as coal gasification presents a dual challenge of utilizing domestic resources for energy security while managing carbon emissions. SDG 9 (Industry, Innovation, and Infrastructure) is also relevant through the development of cleaner industrial feedstocks (like synthetic natural gas and methanol) to substitute imports, promoting a transition toward a more sustainable industrial economy.

International Frameworks

Paris Agreement
India's push for coal gasification must align with its Nationally Determined Contributions (NDCs) to reduce emissions intensity of GDP by 45% by 2030 and achieve net-zero emissions by 2070.
United Nations Framework Convention on Climate Change (UNFCCC)
Coal gasification, as a fossil-fuel-based technology, is scrutinized under global transition pathways discussed at COP meetings, emphasizing the need for Carbon Capture, Utilization, and Storage (CCUS) to prevent carbon lock-in.

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