# Yale Gassing Greener

> Anesthesia carbon emission calculator for environmental practice improvement. (iPhone/iPad app by Yale University.)

- Source: https://appshunter.io/ios/app/yale-gassing-greener/id1152700062 (this page in markdown: same URL + `.md`)
- Developer: [Yale University](https://appshunter.io/developer/462262997)
- Category: Utilities
- Price: Free
- Rating: 5.00/5 from 4 App Store ratings
- Age rating: 12+
- Requires: iOS 9.0 · 37 MB
- Languages: American English
- Released: 2016-09-17
- Data updated: 2026-06-04
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/yale-gassing-greener/id1152700062/reviews.md

## What is Yale Gassing Greener?

Yale Gassing Greener helps anesthesia providers build environmentally conscious practices.  Developed by Yale University’s Department of Anesthesiology, the app features two calculators that provide reports on carbon emissions based on clinician and facility use of inhaled anesthetics.  The clinician calculator allows anesthesia providers to enter amounts and flow rates of inhaled anesthetics in a case and obtain their carbon emission equivalents.  A facility calculator allows perioperative personnel to enter amounts of purchased inhaled anesthetics and receive a comprehensive emailed report of their facility’s carbon emissions.  By informing practitioners about the global warming impact of their anesthetic choices, Yale Gassing Greener hopes to encourage environmental awareness in clinical practice.

## Key features

- Clinician carbon emission calculator
- Facility carbon emission calculator
- Environmental impact reports
- Promotes eco-conscious practices
- Informs anesthetic choices


## Frequently asked questions about Yale Gassing Greener

### What is Yale Gassing Greener?

Yale Gassing Greener is a free utility app developed by Yale University's Department of Anesthesiology. It helps anesthesia providers calculate the carbon emissions associated with inhaled anesthetics to promote environmentally conscious practices.

### How does Yale Gassing Greener calculate emissions?

The app features two calculators: one for individual clinicians to input anesthetic amounts and flow rates for case-specific emissions, and another for facilities to report purchased anesthetics for a comprehensive environmental impact report.

### Is Yale Gassing Greener free to use?

Yes, Yale Gassing Greener is completely free to download and use. It does not have any in-app purchases or advertisements.

### What devices support Yale Gassing Greener?

Yale Gassing Greener is available for iPhone, iPad, and iPod touch devices, making it accessible to a wide range of Apple users.

### How often is Yale Gassing Greener updated?

The app was last updated on July 28, 2018, to version 2.0.1. While updates may not be frequent, the core functionality remains relevant for its intended purpose.

### What is the age rating for Yale Gassing Greener?

Yale Gassing Greener has an age rating of 12+, indicating it is suitable for users aged 12 and older.

### Does Yale Gassing Greener have ads?

No, Yale Gassing Greener is ad-free. Users can utilize its features without any interruptions from advertisements.

### What is the user sentiment for Yale Gassing Greener?

Based on the available data, Yale Gassing Greener has received a perfect 5.0-star rating from 4 reviews, suggesting a very positive user sentiment among its users.

## Version history (last 3 releases)

### 2.0.1 — 2018-07-28

This app has been updated by Apple to display the Apple Watch app icon.

1. Updated references and acknowledgements
2. Removed pre and post surveys
3. Enhanced education modules

### 2.0.0 — 2018-01-12

App rebuilt from the ground up
Improved layout

### 1.0 — 2016-09-15

No release notes.

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All apps by Yale University: https://appshunter.io/developer/462262997

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-04.*