Guides
In-depth articles for carbon project developers, consultants and commercial teams.
How Carbon Credits Work
From project design to verified credit, this is the full lifecycle explained plainly, with routes into methodology selection, feasibility, pricing and verification cost tools.
CORSIA Explained
How aviation carbon offsetting works, including phases, airline obligations, SAF and eligible emissions units.
CORSIA Eligible Emissions Units
Which credits qualify, how ICAO programme approvals work and why authorisation now matters so much.
CORSIA Supply, Demand and Prices
A market outlook for eligible unit supply, airline demand, price drivers and authorisation bottlenecks.
Making a Project CORSIA-Eligible
A developer checklist for standard choice, host-country approval, monitoring and airline buyer diligence.
How REDD+ Carbon Credits Work
Baselines, leakage, permanence, project-level REDD+ and jurisdictional approaches explained for developers.
Reforestation & Afforestation Credits
ARR methodology fit, removals, buffer risk, monitoring and why issuance takes longer than first models suggest.
Blue Carbon Credits
Mangroves, seagrass, coastal restoration, VM0033, monitoring challenges and buyer-fit considerations.
How to Choose a VVB
Accreditation scope, quote comparison, audit timing and how to avoid expensive validation delays.
Carbon Project Monitoring Plans
What validators actually want to see in data collection, QA/QC, source evidence and monitoring reports.
Puro.earth: How It Works
CORCs, removal-only certification, supplier evidence and why Puro is different from broader offset registries.
How to Sell Carbon Credits
Brokers, marketplaces, direct buyers, buyer packs and pricing strategy after credits are issued.
Carbon Credit Offtake Agreements
Key terms for forward sales, including price, volume, delivery risk, shortfalls and quality thresholds.
Carbon Registry Comparison
Gold Standard, Verra, Puro.earth and Plan Vivo compared on fit, buyer demand, timelines and trade-offs.
Carbon Credit Prices 2026
Benchmark ranges by project type, with the factors that decide whether a credit earns a discount or premium.
How Policy Risk Affects Carbon Credit Prices
How Article 6, host-country rules, registry decisions and buyer claim guidance can move project value.
Turn Market Updates Into Project Assumptions
A workflow for turning news, policy and price signals into conservative, base and upside model assumptions.
How Buyers React to Registry and Methodology Changes
How buyers respond to rule changes, methodology revisions, quality labels and defensibility risk.
Gold Standard vs Verra VCS
Credit prices, eligibility, timelines, verification costs and buyer markets compared in practical terms.
What Determines Carbon Credit Prices?
The five signals that move a credit from commodity pricing toward buyer-facing premium value.
How to Write a Carbon PDD
The sections validators care about, and the mistakes that slow registration down.
Carbon Additionality
How to prove the project only happens because carbon finance makes the difference.
How Biochar Carbon Credits Work
Feedstock, pyrolysis, permanence, methodology choice and issuance, without the fog.
Biochar Permanence
H/Corg ratios, 100-year storage claims and how permanence is tested and discounted.
Biochar Project Economics
How volume, permanence, price and verification cost combine in a credible model.
Which Biochar Methodology Route Fits?
Compare Puro-style removal routes, registry fit and buyer-facing trade-offs.
What is fNRB?
The variable that determines cookstove credit yield, and why it needs careful handling.
Carbon Project Feasibility
Test volume, price, certification cost and break-even before committing serious effort.
Carbon Credit Pricing by Project Type
Use market ranges, quality signals and scenarios more realistically when modelling revenue.
What Does Carbon Verification Actually Cost?
Real VVB fee ranges, registry charges and net revenue calculations by standard.
Net Zero Planning for Business
Move from a baseline footprint into a staged reduction pathway and residual emissions view.
How Safe Water Carbon Credits Are Calculated
Household reach, boiling displacement and commercial viability explained.
Borehole Carbon Credit Calculator Guide
Estimate borehole credits from household reach, uptime and avoided wood fuel.
How to Embed a Carbon Project Map
Show a portfolio map on your site that updates from saved project data.
How to Embed a Carbon Impact Counter
Publish verified impact metrics in a cleaner, more convincing format.
Embeddable Carbon Calculators Guide
Choose between calculators, counters, maps and lead-generation widgets for your site.
Free calculators
Use the tools directly, or embed the ones that help clients move from interest to a credible project conversation.
Biochar Carbon Calculator
Biomass, yield, permanence and tCO₂e in one clear chain.
Cookstove Credit Calculator
Gold Standard GS4GG methodology for improved cooking projects.
Water Project Calculator
Estimate safe-water credit volume from household reach and use.
Verification Cost Estimator
VVB fees, registry charges and net revenue by standard.
Project Feasibility Modeller
Stress-test volume, price, project life and break-even.
Methodology Selector
Pick a project type and get a ranked methodology route.