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Methane Emission

Context

Recent studies have highlighted a dramatic increase in methane levels since the early 2020s. Methane, a potent greenhouse gas, has seen substantial growth in its atmospheric concentration due to emissions from wetlands and fossil fuels.

Key Highlights

Methane Growth Rates: From 2015-2019, methane levels increased by 7-10 parts per billion (ppb) per year. This rate jumped to 12-18 ppb per year between 2020-2023.
Primary Sources: The main contributors to the rise in methane are emissions from wetlands and fossil fuel operations.
Climate Patterns: Persistent La Niña conditions, along with anthropogenic warming and climate extremes, have been linked to increased wetland emissions.

Fact Box: About Methane

Methane is about 80 times more potent than carbon dioxide (CO2) over a 20-year period after its release into the atmosphere.
Methane emissions come from both biogenic sources (such as wetlands) and anthropogenic sources (such as fossil fuels).
- The largest sources of methane are agriculture, fossil fuels, and decomposition of landfill waste.
- India is the world’s largest milk producer, and is home to 80 million dairy farmers who made 231 million tons of milk last year.
Increased methane levels can lead to higher surface ozone levels, contributing to premature deaths and various environmental issues.
High methane emissions exacerbate climate change, affecting agriculture, infrastructure, and human health.
Measures to Reduce Methane Emissions
India is a Party to the United Nations Framework Convention on Climate Change (UNFCCC), and its Kyoto Protocol (KP), and the Paris Agreement (PA).

Methods to reduce methane emission from rice:

System for Rice Intensification – To enhance rice yield from 36-49% with about 22-35% less water than conventional transplanted rice
Direct Seeded Rice – The system reduces methane emissions as it does not involve raising nurseries, puddling and transplanting. Unlike transplanted paddy cultivation, standing water is not maintained in this system
- Crop Diversification Programme – Methane emissions is avoided due to diversion of paddy to alternate crops like pulses, oilseeds, maize, cotton and agro forestry.
- National Livestock Mission: It promotes green fodder production, silage making, chaff cutting, and total mixed ration.
- Krishi Vigyan Kendras for creating awareness on climate resilient practices.
- Gobar (Galvanizing Organic Bio-Agro Resources) –Dhan’ scheme
- New National Biogas and Organic Manure Programme

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GS Analyst: Daily Current Affairs

1st August 2024 (13 Topics)

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Methane Emission

Key Highlights

Fact Box: About Methane

Methods to reduce methane emission from rice:

Still Have Questions?

GS Analyst: Daily Current Affairs

Methane Emission

Key Highlights

Fact Box: About Methane

Methods to reduce methane emission from rice:

Still Have Questions?

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