Environment & climate

    Emissions accounting, carbon markets, climate risk and natural resources.

    A cement works lit up at dusk
    ESG analysis

    Comparing Cement Emissions: UltraTech, Ambuja and Dalmia

    Three large Indian cement makers publish emission intensity figures that look comparable but are not. Their latest reported numbers, the differences in units, boundaries, scopes and assurance, and how to compare them properly. Educational, not investment advice.

    8 min readRead more
    A cement plant with tall silos behind grassland
    ESG analysis

    A BRSR Walkthrough: Ambuja Cements, FY 2025-26

    A step-by-step reading of a real BRSR: Ambuja Cements' filing for FY 2025-26. What the workforce, safety, energy, emissions, water and related-party data show, the effect of two mergers on the numbers, and the questions an analyst would ask. Educational, not investment advice.

    10 min readRead more
    Concept Guide

    GHG accounting: Scopes 1, 2 and 3

    Carbon accounting measures a company's greenhouse gas emissions. The three scopes, the intensity metrics, India's new carbon market, and the traps in reading emissions data.

    10 min readRead more
    Concept Guide

    Scope 3 in practice: the 15 categories

    For many companies, Scope 3 is most of their carbon footprint. The 15 categories, which ones matter in which sectors, how companies estimate them, and how to judge the quality of a Scope 3 figure.

    9 min readRead more
    Concept Guide

    Net zero targets and science-based targets

    Many companies have announced net zero targets. Few are equally credible. How science-based targets work, what changed in the SBTi's 2026 standard, and a checklist for testing any climate target.

    9 min readRead more
    Concept Guide

    Carbon credits and offsets: the quality tests

    A carbon credit is supposed to stand for one tonne of emissions cut or removed. Many do not. The types of credits, the quality tests, the integrity bodies, and India's own offset and Article 6 routes.

    9 min readRead more
    Concept Guide

    India's Carbon Credit Trading Scheme

    India's first compliance carbon market sets binding emission intensity targets for large plants in energy-intensive sectors. How it works, who runs it, which sectors are in, the timeline to the first trades, and how to model it.

    10 min readRead more
    Concept Guide

    The PAT scheme and the shift to CCTS

    Perform, Achieve and Trade was India's market-based energy efficiency scheme for heavy industry from 2012. How it worked, what it achieved, and how it is giving way to the Carbon Credit Trading Scheme.

    7 min readRead more
    Concept Guide

    EU CBAM and Indian exporters

    The EU's Carbon Border Adjustment Mechanism charges importers for the carbon in steel, aluminium, cement, fertilisers, electricity and hydrogen. How it works from 2026, what it costs, and what it means for Indian exporters.

    9 min readRead more
    Concept Guide

    Climate risk and stranded assets

    Climate change creates two kinds of financial risk: physical damage from a changing climate, and the costs of moving to a low-carbon economy. The risk types, stranded asset analysis, and the Indian context.

    9 min readRead more
    Concept Guide

    Climate scenario analysis

    Scenario analysis tests how a company would fare under different climate futures. The main scenario sets (NGFS, IEA, IPCC), a six-step method, and how to judge the quality of a company's scenario disclosures.

    9 min readRead more
    Concept Guide

    Energy disclosure: renewables, RPOs and certificates

    Energy is the largest source of emissions for most companies and a direct cost. How to read energy data, the ways Indian companies buy renewable power, India's renewable consumption obligation, and the coming changes to Scope 2 rules.

    9 min readRead more
    Concept Guide

    Water, waste and extended producer responsibility

    Water shortages can stop production, and India's waste rules now make producers pay for what happens to their products. Water metrics, waste metrics, India's EPR regimes for plastic, e-waste, batteries, tyres, oil and vehicles, and what to look for.

    9 min readRead more
    Concept Guide

    Nature and biodiversity risk

    Businesses depend on nature for water, raw materials and stable land, and many harm it. Dependencies and impacts, the main drivers of nature loss, India's rules, the global frameworks, and how analysts can assess nature risk.

    9 min readRead more
    Concept Guide

    TCFD and TNFD

    TCFD created the four-pillar structure now used for climate reporting worldwide. TNFD applies the same idea to nature. Their recommendations, the LEAP approach, and how both now feed into ISSB.

    8 min readRead more
    Concept Guide

    Transition finance

    Money that helps high-emitting companies cut their emissions, rather than funding activities that are already green. Transition bonds, SEBI's rules, ICMA's 2025 guidelines, Japan's sovereign transition bonds, India's draft taxonomy, and the tests of a credible transition plan.

    9 min readRead more
    Concept Guide

    Climate risk in banks and NBFCs

    How floods, heatwaves and carbon policy reach a lender's balance sheet. Financed emissions and the PCAF standard, RBI's 2022 pilot climate stress test, global rules for banks, and a checklist for analysing an Indian lender.

    9 min readRead more
    Concept Guide

    Carbon pricing in a DCF: a worked, illustrative model

    A step-by-step, made-up cement example that turns an intensity-based carbon scheme like India's CCTS into after-tax cash flows, a present value and a sensitivity table, and then tests whether paying for an emission cut is worth it.

    10 min readRead more
    Concept Guide

    Portfolio carbon metrics: WACI and financed emissions

    The four standard ways to measure a portfolio's carbon exposure, worked through on a three-stock example: financed emissions, carbon footprint, WACI and forward-looking alignment metrics, plus the EU climate benchmarks and the traps in each number.

    9 min readRead more
    Concept Guide

    Sector map: cement

    Cement is one of the most carbon-intensive industries, and India's carbon market now puts a price on it. Emissions intensity, alternative fuels, dust, mining and safety are the key issues. The data to use and the CCTS and CBAM rules to know.

    5 min readRead more
    Concept Guide

    Sector map: steel

    Steel faces carbon pressure from three directions: the EU's border tax, India's coming carbon targets and the new Green Steel Taxonomy. Emissions intensity, safety, water and community issues, the data to use and the rules to know.

    5 min readRead more
    Concept Guide

    Sector map: power

    For power companies, the transition from coal to renewables is the central ESG and business question. Coal dependence, air pollution rules, water, ash and land for renewables, with the data to track and the Indian rules to know.

    5 min readRead more
    Concept Guide

    Sector map: oil and gas

    Most of an oil company's emissions come from customers burning its fuels, which makes transition strategy the core ESG issue. Scope 3, methane, process safety, carbon targets for refineries and policy risk, with the data to track.

    5 min readRead more
    Concept Guide

    Sector map: automobiles

    For carmakers, the biggest emissions come from the vehicles on the road, so fuel efficiency rules and the shift to EVs drive the ESG story. CAFE III, PM E-DRIVE, end-of-life vehicle rules, supply chains and safety, with the data to track.

    5 min readRead more
    Lesson

    Scope 1, 2 or 3 sorter

    Twelve emission sources at hypothetical Indian companies. Sort each into Scope 1 (direct emissions from sources the company owns or controls), Scope 2 (purchased electricity, steam, heat or cooling) or Scope 3 (everything else in the value chain).

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    Case studies

    Environment & climate

    LG Polymers, Visakhapatnam: the styrene gas leak

    On 7 May 2020, styrene gas leaked from LG Polymers' chemical plant near Visakhapatnam, killing at least 11 people and exposing about 1,000. The National Green Tribunal held the company absolutely liable and found that it had been operating without required clearances.

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    Environment & climate

    Volkswagen's diesel emissions scandal

    In September 2015, the US Environmental Protection Agency accused Volkswagen of using software to cheat diesel emissions tests. About 11 million vehicles worldwide were affected, Volkswagen pleaded guilty in the US in 2017, and the total cost had passed €32 billion by 2021.

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    Key terms

    Formulas