Home Tools Environment, Climate & Sustainability Tool Pricing model Free tier Open source Aclima Mobile and fixed sensor networks that map street-level air pollution for cities, utilities and regulators. Quote only No No BreezoMeter Air quality and pollen data engine, acquired by Google, now offered as the Air Quality and Pollen APIs on Google Maps Platform. Usage-based Yes No Clarity Solar-powered, cellular-connected outdoor sensor networks and dashboard sold as a monitoring service to cities and agencies. Quote only No No IQAir Swiss air-quality company selling consumer and professional monitors and air purifiers, whose data feeds its public AirVisual map. Subscription Yes No Kando Wastewater intelligence platform that monitors sewer networks in real time to trace pollution sources and industrial discharge. Quote only No No OpenAQ Nonprofit that aggregates open government and low-cost-sensor air quality data worldwide into one free API. Open source + paid Yes Yes PurpleAir Low-cost outdoor and indoor air quality sensors whose PM2.5 readings feed a free public real-time map. Free tier + paid Yes No
Tool Pricing model Free tier Open source eBird Free citizen-science platform from Cornell where birders log sightings, building the world's largest bird occurrence dataset. Free Yes No GBIF Free intergovernmental network aggregating over 2 billion open species-occurrence records from museums, surveys and citizen science. Free Yes No Global Forest Watch Free satellite-based platform from WRI tracking forest change, tree cover loss and deforestation alerts worldwide. Free Yes No NatureMetrics eDNA lab testing and digital platform that turns water, soil and air samples into biodiversity species data. Quote only No No Pachama Carbon credit marketplace and monitoring platform using satellite and AI analysis to verify forest carbon projects, not biodiversity directly. Quote only No No Restor Free open platform mapping ecosystem restoration and conservation sites worldwide with satellite-derived ecological data. Free Yes No Sylvera Independent carbon credit ratings platform using satellite data and machine learning; it rates credit quality, not biodiversity itself. Quote only No No
Tool Pricing model Free tier Open source Climatiq Emission factor database and calculation API that developers embed into products for carbon footprint calculations. Subscription Yes No Emitwise Supply-chain carbon accounting tool, acquired by Sphera in 2023, focused on granular Scope 3 spend-based emissions data. Quote only No No Greenly Carbon management platform for SMEs and enterprises, from GHG reporting compliance up to full net-zero programs. Quote only No No Normative Swedish carbon accounting platform with Essential and Premium plans covering emissions calculation and value-chain engagement. Quote only No No Persefoni Climate management platform with a free tier for Scope 1-3 emissions calculation and CSRD, ISSB and CDP reporting. Free tier + paid Yes No Plan A Carbon and ESG management software combining emissions accounting, supplier engagement and CSRD reporting in one platform. Quote only No No Sweep Carbon and sustainability management platform covering emissions accounting, CSRD reporting and supply-chain decarbonization. Quote only No No Watershed Enterprise carbon accounting platform that models Scope 1-3 emissions from existing business data and tracks reduction programs. Quote only No No
Tool Pricing model Free tier Open source Climate X UK physical climate risk platform (Spectra) covering global asset-level hazard scoring for finance and real estate. Quote only No No First Street Climate risk data provider best known for property-level flood, wildfire, wind and heat risk scores across US real estate. Quote only Yes No Jupiter Intelligence Physical climate risk analytics platform providing asset-level, multi-peril projections for financial and infrastructure decisions. Quote only No No Moody's Climate on Demand Physical climate risk scoring tool from Moody's covering global properties and companies across multiple hazard types. Quote only No No riskthinking.AI Climate risk analytics platform quantifying physical and transition risk financial impact for asset owners and governments. Quote only No No
Tool Pricing model Free tier Open source CDP Non-profit global disclosure system through which companies report climate, water and forest impact data annually. Free tier + paid Yes No EcoVadis Supplier sustainability rating platform scoring companies on environment, labor, ethics and procurement practices. Quote only No No Morningstar Sustainalytics ESG risk rating provider measuring companies' unmanaged ESG risk exposure, widely used by investors and lenders. Quote only No No MSCI ESG Research Investor-facing ESG ratings, screening and climate data used by asset managers to assess companies' sustainability risk. Quote only No No Novisto ESG data management platform that centralizes sustainability data collection, calculation and multi-framework disclosure. Quote only No No Position Green Nordic sustainability software and advisory platform for ESG data management, CSRD reporting and double materiality. Quote only No No Sphera EHS, ESG and operational risk software suite covering sustainability reporting, product stewardship and supply-chain risk. Quote only No No Workiva Connected reporting platform used for SEC, ESG and CSRD disclosures with linked data, controls and collaborative drafting. Quote only No No
Tool Pricing model Free tier Open source Fathom Global flood-risk data and modelling provider whose Global Flood Cat model covers fluvial, pluvial and coastal flood perils worldwide. Quote only No No FEMA National Risk Index Free federal tool giving every US county and census tract a 0–100 composite risk score across 18 natural hazards. Free Yes No JBA Risk Management Employee-owned flood-risk science firm providing global flood maps, catastrophe models and portfolio risk analytics. Quote only No No Karen Clark & Company Boston-based catastrophe modelling firm whose RiskInsight platform prices hurricane, earthquake and severe-storm risk. Quote only No No One Concern AI-driven resilience platform that models infrastructure-dependent physical risk from natural disasters. Quote only No No USGS Earthquake Hazards Program Free federal program providing real-time earthquake data and probabilistic seismic hazard maps for the US and its territories. Free Yes No Verisk Extreme Event Solutions Catastrophe modelling division (formerly AIR Worldwide) providing probabilistic loss models for insurers and reinsurers. Quote only No No
Tool Pricing model Free tier Open source Argo Program International network of autonomous ocean-profiling floats providing free, near-real-time temperature and salinity data. Free Yes No Copernicus Marine Service Free EU ocean-monitoring service providing physical, biogeochemical and sea-ice data, forecasts and reanalyses worldwide. Free Yes No Global Fishing Watch Non-profit platform that tracks global fishing and maritime vessel activity using satellite data and machine learning. Free Yes No NOAA CoastWatch Free NOAA program distributing satellite ocean and coastal data such as sea surface temperature, chlorophyll and ocean color. Free Yes No Ocean Biodiversity Information System Free global database of marine species observations, aggregated from a worldwide network of contributing institutions. Free Yes No Sofar Ocean Ocean-intelligence company combining a solar-powered sensor buoy network with software for marine weather and voyage optimization. Quote only No No
Tool Pricing model Free tier Open source DTN Enterprise weather and market data provider serving agriculture, energy, trading and logistics with forecasting and analytics. Quote only No No Meteomatics Swiss weather API covering thousands of parameters at high resolution for energy, aviation and agriculture use cases. Quote only No No OpenWeather Widely used weather API offering current conditions, forecasts and historical data with a permanent free tier. Free tier + paid Yes No The Weather Company IBM-owned weather data and API provider powering Weather.com and enterprise forecasting for aviation, energy and logistics. Quote only No No Tomorrow.io Weather intelligence platform combining proprietary radar and satellite data with APIs for operational weather decisions. Quote only No No Visual Crossing Weather data API and bulk-download service offering historical, forecast and current conditions with a usage-based free tier. Free tier + paid Yes No Weatherstack Low-cost REST weather API with real-time, historical and forecast data on a simple per-call subscription model. Free tier + paid Yes No