The Johns Hopkins Hospital
Baltimore, MD · BALTIMORE CITY · NAICS 622110
Data updated May 2026
According to the EPA Greenhouse Gas Reporting Program, The Johns Hopkins Hospital ranks #3,321 of 8,713 U.S. reporting facilities by latest reported CO₂e and #32 of 77 facilities in MD.
- National rank #3,321 of 8,713 GHGRP facilities
- #32 of 77 in MD
- #418 of 1,599 in Other
- 76.7% of JOHNS HOPKINS UNIVERSITY parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- +16.1% since 2011
The Johns Hopkins Hospital vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
71,689 3321st of 8713 higher than 5,392 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 76.7% of JOHNS HOPKINS UNIVERSITY reported parent CO₂e (72K MT of 93K MT ; #1 of 2 GHGRP facilities under that parent ). Inside the EPA Other sector it ranks #418 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 72K 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%
- 72K MT
- CH₄
- 0%
- 35 MT
- N₂O
- 0.1%
- 41 MT
Emissions growth across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 71,689 |
| 2022 | 103,982 |
| 2021 | 101,295 |
| 2020 | 97,913 |
| 2019 | 106,178 |
| 2018 | 107,767 |
| 2017 | 106,913 |
| 2016 | 110,359 |
| 2015 | 112,128 |
| 2014 | 110,203 |
| 2013 | 101,539 |
| 2012 | 77,658 |
| 2011 | 61,723 |
Facility insight: The Johns Hopkins Hospital
The Johns Hopkins Hospital (EPA GHGRP Facility ID 1000306) reported 72K metric tons of CO2-equivalent in 2023, operating in Baltimore, MD within BALTIMORE CITY. Among GHGRP reporters it ranks #3,321 of 8,713 nationally by latest CO₂e and #32 of 77 in MD. The site is classified under Other with NAICS code 622110.
From 2011 to 2023, reported CO₂e rose 16.1% (peak 112K MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2015 at 112K MT CO2e; latest 2023 sits 36.1% below that peak (72K MT). The largest year-to-year move was 2022→2023 (-31.1%, 32K MT).
Frequently Asked Questions
Where does The Johns Hopkins Hospital rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, The Johns Hopkins Hospital ranks #3,321 of 8,713 reporting facilities by latest reported CO₂e, and #32 of 77 facilities in MD (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than The Johns Hopkins Hospital? ▼
The Johns Hopkins Hospital's 72K MT CO₂e is higher than 5,392 of the 8,713 GHGRP facilities with reported emissions (62%), an exact count from the full corpus, not an estimate.
How much CO2 does The Johns Hopkins Hospital emit? ▼
The Johns Hopkins Hospital reported 72K MT CO2e in 2023.
What share of JOHNS HOPKINS UNIVERSITY does The Johns Hopkins Hospital represent? ▼
The Johns Hopkins Hospital accounts for 76.7% of JOHNS HOPKINS UNIVERSITY's reported GHGRP CO₂e (72K MT of 93K MT), ranking #1 of 2 facilities under that parent.
What is The Johns Hopkins Hospital's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at The Johns Hopkins Hospital, 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 The Johns Hopkins Hospital rank inside Other? ▼
Among EPA GHGRP facilities tagged Other, The Johns Hopkins Hospital ranks #418 of 1,599 by latest reported CO₂e.
Is The Johns Hopkins Hospital reducing emissions? ▼
Over 13 reporting years (2011–2023), The Johns Hopkins Hospital's emissions have increased by 16.1%. This may reflect expanded operations or increased production.
Nationwide facilities with similar CO₂e or sector
Two GHGRP-derived peer sets for The Johns Hopkins Hospital, both outside MD so the neighborhoods are not state-geo containment.
Similar reported CO₂e
Nearest latest-year facility totals outside MD (72K MT here).
Similar Other CO₂e
Nearest same-sector facility totals outside MD.