Natural gas as an energy source
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Global Abundance and Role of Natural Gas as an Energy Source
Natural gas is one of the most abundant energy sources worldwide, with reserves estimated to last for about 250 years at current consumption rates. It is the third largest energy source globally, following oil and coal, and plays a significant role in meeting energy needs across various sectors, including electricity generation, industry, and residential heating Aktemur2017Gounaris2014Meier2020. Its importance is further highlighted by its growing share in the global energy mix and its role as a raw material for many chemical products Aktemur2017Gounaris2014.
Environmental Impact and Emissions of Natural Gas
Compared to other fossil fuels like coal and oil, natural gas is considered a cleaner energy source. It produces lower greenhouse gas emissions, contains less sulfur and nitrogen, and lacks heavy metals such as mercury and cadmium. This makes it a preferred option for reducing air pollution and mitigating climate change, especially in electricity generation where it can cut CO₂ emissions by around 60% compared to coal-fired power plants Aktemur2017Mohammad2021Meier2020+2 MORE. However, environmental risks remain, particularly methane leakage during extraction, storage, and transportation, and the impacts of hydraulic fracturing during upstream exploitation .
Natural Gas in the Energy Transition and Renewable Integration
Natural gas is widely recognized as a key transition fuel in the shift toward sustainable and renewable energy systems. Its flexibility and ability to provide reliable backup for intermittent renewable sources like wind and solar make it essential for maintaining grid stability during the energy transition Mohammad2021Safari2019Taets2024+1 MORE. While it helps reduce emissions in the short term, there are concerns that long-term investments in natural gas infrastructure could delay the adoption of renewables and hinder climate goals if not managed carefully Safari2019Gürsan2020.
Technological Developments and Alternative Forms
Technological advancements have enabled the use of natural gas in various forms, such as liquefied natural gas (LNG) and compressed natural gas (CNG), expanding its applications and improving transport and storage options . Additionally, research into extracting methane from natural gas hydrates offers potential for future energy supply, though commercial-scale, environmentally sustainable methods are still under development .
Economic and Geopolitical Considerations
Natural gas is a major player in the global energy market, with extensive international trade and significant financial turnover. Its competitiveness is influenced by factors such as market volatility, geopolitical risks, and the development of renewable energy and storage technologies. Despite these challenges, natural gas is expected to continue playing a fundamental role in ensuring energy security and supporting the transition to cleaner energy systems in the coming years Gounaris2014Safari2019Taets2024.
Conclusion
Natural gas stands out as a crucial energy source due to its abundance, relatively low emissions, and versatility across multiple sectors. It is a key enabler of the transition to renewable energy, providing both environmental and economic benefits. However, careful management of its environmental risks and strategic planning are necessary to ensure that its use supports, rather than hinders, long-term sustainability and climate objectives Aktemur2017Mohammad2021Safari2019+3 MORE.
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Most relevant research papers on this topic
Natural Gas as a Key Alternative Energy Source in Sustainable Renewable Energy Transition: A Mini Review
Natural gas is a cost-effective, sustainable, and environmentally friendly alternative energy source for sustainable renewable energy transition in ASEAN member states.
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Natural gas hydrates – Insights into a paradigm-shifting energy resource
Natural gas hydrates show potential as a greener energy source, but sustainable extraction methods and a commercially viable energy source require further investigation and collaboration.
Natural gas: A transition fuel for sustainable energy system transformation?
Natural gas can be a complementary transition fuel for renewable energy in the short and medium term, supporting renewable energy goals and addressing challenges in infrastructure, local demands, resources, and national energy policies.
SWOT analysis for the use of natural gas in electricity generation
Natural gas, despite being a fossil fuel, plays a crucial role in ensuring electricity stability in the energy transition, despite challenges like policy changes and energy storage technology development.
The systemic impact of a transition fuel: Does natural gas help or hinder the energy transition?
Natural gas can help reduce carbon emissions in the short term, but its long-term negative effects may hinder the transition to renewables unless precautions are taken.
Identifying and Regulating the Environmental Risks in the Development and Utilization of Natural Gas as a Low-Carbon Energy Source
Natural gas poses environmental risks at various stages, but with advanced technologies and management, it can be a low-carbon energy source with minimal environmental impact.
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