California Institute of Technology
Pasadena, CA · LOS ANGELES COUNTY · NAICS 611310
Data updated May 2026
According to the EPA Greenhouse Gas Reporting Program, California Institute of Technology ranks #5,259 of 8,713 U.S. reporting facilities by latest reported CO₂e and #268 of 549 facilities in CA.
- National rank #5,259 of 8,713 GHGRP facilities
- #268 of 549 in CA
- #884 of 1,599 in Other
- 100% of CALIFORNIA INSTITUTE OF TECHNOLOGY parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- -42.7% since 2011
California Institute of Technology vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
34,497 5259th of 8713 higher than 3,454 of 8,713 facilities
GHGRP facilities, banded by latest reported CO₂e (MT)
Each bar is a band; taller bars hold more facilities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA Greenhouse Gas Reporting Program · 2023
Facility footprint context
This site accounts for 100% of CALIFORNIA INSTITUTE OF TECHNOLOGY reported parent CO₂e (34K MT of 34K MT ). Inside the EPA Other sector it ranks #884 of 1,599 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
2023 gas mix desk
Of 34K MT CO₂e reported for 2023, non-CO₂ gases are 0.1% , led by N₂O at 0.1% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.9%
- 34K MT
- CH₄
- 0%
- 16 MT
- N₂O
- 0.1%
- 19 MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 34,497 |
| 2022 | 36,494 |
| 2021 | 59,469 |
| 2020 | 53,191 |
| 2019 | 60,336 |
| 2018 | 59,856 |
| 2017 | 59,372 |
| 2016 | 56,146 |
| 2015 | 56,409 |
| 2014 | 56,003 |
| 2013 | 58,039 |
| 2012 | 57,836 |
| 2011 | 60,186 |
Facility insight: California Institute of Technology
California Institute of Technology (EPA GHGRP Facility ID 1002105) reported 34K metric tons of CO2-equivalent in 2023, operating in Pasadena, CA within LOS ANGELES COUNTY. Among GHGRP reporters it ranks #5,259 of 8,713 nationally by latest CO₂e and #268 of 549 in CA. The site is classified under Other with NAICS code 611310.
Across 2011–2023, annual CO₂e fell 42.7%; peak load was 60K MT in 2019. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2019 at 60K MT CO2e; latest 2023 sits 42.8% below that peak (34K MT). The largest year-to-year move was 2021→2022 (-38.6%, 23K MT).
Frequently Asked Questions
Where does California Institute of Technology rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, California Institute of Technology ranks #5,259 of 8,713 reporting facilities by latest reported CO₂e, and #268 of 549 facilities in CA (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than California Institute of Technology? ▼
California Institute of Technology's 34K MT CO₂e is higher than 3,454 of the 8,713 GHGRP facilities with reported emissions (40%), an exact count from the full corpus, not an estimate.
How much CO2 does California Institute of Technology emit? ▼
California Institute of Technology reported 34K MT CO2e in 2023.
What share of CALIFORNIA INSTITUTE OF TECHNOLOGY does California Institute of Technology represent? ▼
California Institute of Technology accounts for 100% of CALIFORNIA INSTITUTE OF TECHNOLOGY's reported GHGRP CO₂e (34K MT of 34K MT).
What is California Institute of Technology's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at California Institute of Technology, with N₂O the larger non-CO₂ share at 0.1% (CO₂ 99.9%). Shares use the facility's GHGRP gas components for that year.
Where does California Institute of Technology rank inside Other? ▼
Among EPA GHGRP facilities tagged Other, California Institute of Technology ranks #884 of 1,599 by latest reported CO₂e.
Is California Institute of Technology reducing emissions? ▼
Over 13 reporting years (2011–2023), California Institute of Technology's emissions have decreased by 42.7%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Two GHGRP-derived peer sets for California Institute of Technology, both outside CA so the neighborhoods are not state-geo containment.
Similar reported CO₂e
Nearest latest-year facility totals outside CA (34K MT here).
Similar Other CO₂e
Nearest same-sector facility totals outside CA.