ESG & Reporting
Esg Due Diligence Checklist
An investor-focused ESG due diligence checklist covering governance, climate, workforce, supply chain, claims, data quality, regulation and red flags.
theplanetbrief.com /author/kieran/
Kieran Simpson
Founder of The Planet Brief and The Carbon Workbench, writing practical explainers on carbon markets, ESG reporting, net zero, climate claims and green finance.
Latest articles
ESG & Reporting
Csrd For Uk Companies
A practical guide to when CSRD can affect UK companies, including EU subsidiaries, large EU turnover, supply-chain pressure, ESRS reporting and preparation steps.
Carbon Markets
CORSIA eligible programmes: which carbon standards qualify?
CORSIA eligible programmes explained: how ICAO approval works, why programme scope is not enough, and what buyers should check before relying on a unit.
Carbon Markets
CORSIA credit prices 2025 and 2026: why eligible units price differently
CORSIA credit prices in 2025 and 2026 explained: why eligible emissions units price differently, what airlines should check, and why a quote is not enough.
Green Investing
Green Investment Themes 2026
A guide to major green investment themes in 2026, including renewables, grids, storage, carbon markets, adaptation, water, nature and climate technology.
Green Investing
Green Bonds Vs Esg Funds
A detailed comparison of green bonds and ESG funds for climate-conscious investors, including risk, return drivers, impact claims, fees, liquidity and greenwashing checks.
Net Zero
Small Business Carbon Reduction Plan
A practical small business carbon reduction plan guide covering Scope 1, 2 and 3 emissions, targets, evidence, supplier data, offsets, green claims and useful tools.
Carbon Markets
Corsia Phase 1
CORSIA Phase 1 explained: what changed from 2024 to 2026, how voluntary participation works, what airlines must report, and what happens before Phase 2.
Carbon Markets
Corsia And The Voluntary Carbon Market
Why CORSIA matters for the voluntary carbon market: how aviation demand, eligibility rules, Article 6 and corresponding adjustments could affect carbon credit prices and quality.
Carbon Markets
Corsia Eligible Carbon Credits
CORSIA eligible carbon credits explained: what eligible emissions units are, which programmes can supply them, how Article 6 affects eligibility, and what airlines should check.
Carbon Markets
Corsia Vs Eu Ets
Compare CORSIA and the EU ETS: covered flights, eligible credits, allowances, compliance costs and why airlines may need to manage both systems.
Green Investing
Green Mortgages Uk 2026
Green mortgages in the UK explained for 2026, including EPC-linked products, retrofit lending, eligibility, benefits, risks and what homeowners should check.