- Reducing total annual data center energy consumption despite significant company growth.
- Managing environmental risks, including those related to climate change, for customers while minimizing CoStar's own environmental footprint.
CoStar Group
Greenhouse gas emissions & sustainability report data
In its 2023 reporting, CoStar Group disclosed greenhouse gas emissions of 127.6K MT CO2e. By scope: Scope 1: 3.1K MTCO2e; Scope 2: 8.1K MTCO2e; Scope 3: 117.1K MTCO2e. Figures are as stated in the company's own report and may use different boundaries, units or methods (for example market-based vs location-based Scope 2), so compare with care.
GHG Emissions
127.6K MT CO2e
2023
Renewable Energy
3.7%
of total energy
Waste
557 MTCO2e
2023
Energy Use
40.8K MWh
2023
📊 Emissions by Scope (2023)
| Scope | What it covers | Reported value |
|---|---|---|
| Scope 1 | Direct emissions from sources the company owns or controls (fuel combustion, company vehicles, process and fugitive emissions). | 3.1K MTCO2e |
| Scope 2 | Indirect emissions from purchased electricity, steam, heat and cooling. | 8.1K MTCO2e |
| Scope 3 | Other indirect emissions across the value chain (purchased goods, business travel, use of sold products, etc.). | 117.1K MTCO2e |
New to scopes? Read Scope 1, 2 and 3 emissions explained and market-based vs location-based Scope 2.
📈 Emissions by Report Period
| Report period | Headline emissions figure reported |
|---|---|
| 2023 | 127.6K MT CO2e |
| 2022 | 96.7K MT CO2e/year |
Each row is the headline figure extracted from a different report; scope coverage and methodology can change between years.
✅ Reported Environmental Achievements
- Reduced number of physical data center locations by more than 75% over the past 10 years.
- Lowered data center cabinet counts by over 40%.
- Transitioned on-premises data centers to more energy-efficient colocation facilities.
- Plan to replace 100% of blade servers with Energy Star compliant models.
- Movement to cloud service implementation is 3.6 times more efficient than a colocation footprint.
- Richmond campus expansion designed to achieve LEED Net Zero and WELL Platinum certifications.
- Homes.com includes environmental information in listings.
- Research fleet of eco-friendly hybrid and electric vehicles.
🎯 Climate & Sustainability Targets
🔭 Long-term
- Net Zero future (commitment made, targets to be set in 2024)
🌱 ESG Focus Areas
Climate ChangeGreenhouse Gas EmissionsEnergy EfficiencyRenewable EnergyData Center SustainabilityEmployee EngagementDiversity, Equity & InclusionHealth & SafetyPhilanthropic ProgramsData PrivacyCybersecurityBoard DiversitySupplier Diversity