Decarbonisation - COE Chakra
Decarbonisation
Decarbonisation Sectoral Insights
Decarbonisation represents the systematic reduction of greenhouse gas emissions across energy, industry, transport, and land use. Net zero is achieved when remaining emissions are counterbalanced by removals through natural or engineered sinks, preventing further accumulation in the atmosphere. The path to net zero demands steep emissions cuts as a first priority, with offsets restricted to residual volumes. Despite a decade of policy milestones from the Kyoto Protocol to COP29, current pledges still imply a 2.0–2.7°C rise in global temperatures by 2100, far above the 1.5°C threshold that scientists consider critical to avoid irreversible climate tipping points. Unchecked emissions would expose half the world’s population to lethal heatwaves, put one billion people under acute water stress, and erode trillions in financial value through stranded assets and regulatory penalties.
Corporate and national strategies now reflect the shift from ambition to operational targets. More than 10,000 companies have committed to Science Based Targets by January 2026, more than fourfold increase since 2021. India has pledged net zero by 2070, supported by interim goals to expand non-fossil generation, nuclear capacity, and rail decarbonisation. Industry leaders such as SBI, Adani, and Tata Steel have already disclosed emission reduction pathways, signalling momentum in both developed and emerging markets. Meeting global commitments requires USD 100–140 trillion in cumulative investment by 2050, focusing on electrification, renewable energy, carbon capture, and efficiency improvements.
A structured framework for decarbonisation separates internal levers from external ones. Internal levers drive direct reductions within operational boundaries through efficiency upgrades, renewable energy procurement, fuel switching, and carbon capture. These primarily address Scope 1 and 2 emissions while shaping Scope 3 through supply chain requirements. Energy efficiency remains the fastest-return option, renewables eliminate Scope 2 dependency, and fuel substitution addresses hard-to-electrify sectors. Carbon capture and storage, although capital intensive, remains essential for heavy industry. Only when these options are exhausted should offsets be used, with projects spanning avoidance mechanisms such as forest conservation and removals like afforestation and DAC.
Biofuels offer an immediate transition pathway for aviation, shipping, and freight where electrification is constrained. First generation fuels provide scale but face sustainability challenges, while second and third generation pathways balance emissions reductions with food security and biodiversity. India’s ethanol plants already deliver competitive margins, though capital costs and feedstock fragmentation constrain growth. The sector provides opportunities for rural employment, energy security, and global investment inflows, yet must navigate volatility in feedstock pricing, competition from electrification, and policy execution gaps.
Carbon markets complement these efforts by monetising avoided or removed emissions into tradable credits. From the Kyoto Protocol’s Clean Development Mechanism to Article 6 of the Paris Agreement, frameworks have evolved into emissions trading schemes, carbon taxes, and voluntary crediting systems that now cover a quarter of global emissions. COP29 operationalised Article 6, creating linkages between compliance and voluntary markets and reinforcing transparency through biennial reporting. Integrity of credits is critical, with quality defined by additionality, permanence, verification, and co-benefits. Indian Carbon Market, launched in March 2026, will initially target companies in Energy, Industries, Agriculture, Waste handling and disposal, Forestry and Transport and later broaden into Fugitive emissions, Construction, Solvent Use, Carbon capture, utilisation, storage of CO2 and other removals, offering both domestic compliance and export potential.
Financing underpins every element of the transition. Institutions such as GFANZ have committed USD 130 trillion in assets to align portfolios with net zero. Financing needs range from megawatt-scale solar retrofits to billion-dollar CCUS hubs, requiring diverse structures such as green bonds, sustainability-linked loans, blended finance, and insurance-backed guarantees. Banks play a pivotal role by directly funding projects, advising corporates on transition pathways, and embedding emissions-linked terms into products. Green market makers and exchange platforms are emerging to provide liquidity, absorb green premiums, and professionalise trading of carbon-linked assets. Ultimately, the bottleneck lies not in technological availability but in capital mobilisation. The credibility of the decarbonisation agenda will be judged by whether financing flows quickly enough to scale biofuels, CCUS, offsets, and renewable infrastructure into mainstream global systems.
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Last Updated On : Saturday, 30-05-2026
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