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Understand the systems shaping our planet.

Independent, science-backed sustainability intelligence — with technical explainers, live climate monitoring, audit-ready regulatory calculators, and educational resources built to turn complexity into actionable understanding.

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GHG Protocol Corporate Standard IPCC AR6 GWP100 EU CBAM & ESRS 1 / CSRD California SB 253 & SEC S-K

Today in sustainability

What matters now

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Bar chart of 2026 documentation-weighted scores: Watershed 85, Persefoni 83.3, Sweep 81.7, IBM Envizi 76.7, Salesforce Net Zero Cloud 70; mid-market Normative 73.3, Carbonhound 61.7, Greenly 48.3
Corporate Sustainability & ESG

Best Enterprise Carbon Accounting Software 2026: 8 Platforms Scored

October 25, 202613 min read
Green semi truck driving on a rural highway past wind turbines
Corporate Sustainability & ESG

Corporate EV Fleet Electrification TCO Guide 2026: Vans, Trucks, Semis & Scope 1

13 min read
Outdoor air-source heat pump unit beside a modern white house with shrubs
Corporate Sustainability & ESG

Heat Pump vs Gas Furnace Cost Comparison 2026: Spark Spread, Rebates & Payback

15 min read
Earth seen from orbit with cloud systems over the ocean, illustrating the ocean-atmosphere coupling behind El Niño
Corporate Sustainability & ESG

Super El Niño Dynamics 2026: Ocean Heat Content, Atmospheric Coupling & Global Teleconnections

13 min read

Decision tools

Turn knowledge into action

Transparent calculators and dashboards built around recognized sustainability methodologies.

CO₂

Carbon Footprint Calculator

Estimate personal or organizational emissions across major consumption categories.

GHG ProtocolIPCC-aligned
Calculate footprint
H₂O

Water Footprint Calculator

Measure blue, green, and grey water impacts across diet and everyday consumption.

WFN methodologySDG 6
Measure water use
🌲

Carbon Stock Calculator

Estimate ecosystem biomass and soil organic carbon using IPCC Tier 1 factors.

IPCC Tier 1REDD+
Estimate carbon stock
🌌

Aurora Viewing Guide USA

Live Kp index, NOAA forecast, and state-by-state viewing thresholds for the northern lights.

Live NOAA dataSolar Cycle 25
View aurora tool

Enterprise ESG tools

Standards-aligned models for serious sustainability work.

Explore enterprise toolkit
GHG

Scope 1 / 2 / 3 Emissions Engine

Corporate inventory across all scopes with intensity metrics and export-ready results.

GHG Protocol v1.1IPCC AR6
Launch Engine → CBAM

EU CBAM Duty Calculator

Model embedded emissions, EUA price exposure, country deductions, and certificate needs.

EU 2023/95611 sectors
Calculate Duty → CSRD

Double Materiality Checker

Assess impact and financial materiality across ESRS topics with an auditable trail.

ESRS 113 topics
Check Materiality → SBTi

Target & Pathway Modeler

Compare net-zero ambition, mitigation levers, required glide paths, and BAU.

Corporate Standard v2.02024–2050
Model Pathway →

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Authority comes from showing the work.

Every explainer and calculator should make methodology, sources, authorship, dates, and uncertainty easy to inspect.

Our editorial standards
Named authorshipCredentials and expertise visible at the point of reading.
Primary sourcesGovernment, academic, and peer-reviewed evidence prioritized.
Method transparencyAssumptions and calculation methods are inspectable.
Clear updatesPublished and last-updated dates are distinct.