![](https://static.wixstatic.com/media/11062b_4d1ce144268d4ffda4eb0e5d39af01d0f000.jpg/v1/fill/w_288,h_162,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/11062b_4d1ce144268d4ffda4eb0e5d39af01d0f000.jpg)
![Page banner advertising carbon compensation](https://static.wixstatic.com/media/b15ce0_65788ee85e58463b9a3d4b654104eee2~mv2.jpg/v1/fill/w_978,h_298,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/Compensation%20carbone_V2.jpg)
Step 1
Calculate your emissions
The estimates on this page are based on Canadian data
To get a more accurate measure of your emissions, use the following grid
![This is a car illustration to depict carbon emission from cars](https://static.wixstatic.com/media/ab768d_cab893793b5b4d879c9c3ef87183482e.png/v1/fill/w_116,h_57,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/ab768d_cab893793b5b4d879c9c3ef87183482e.png)
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![This is a plane illustration to depict carbon emission from plain trips](https://static.wixstatic.com/media/ab768d_e4bb1c7117df4ec6b282915c131f4342.png/v1/fill/w_74,h_80,al_c,q_85,usm_0.66_1.00_0.01,blur_3,enc_auto/ab768d_e4bb1c7117df4ec6b282915c131f4342.png)
*If you have multiple flights, round up and calculate the total number of hours flown. Do not forget to calculate your layovers.
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![This is a house illustration to depict carbon emission from owning a house](https://static.wixstatic.com/media/ab768d_4fa9041590734c9bab9c8895174bbff2.png/v1/fill/w_73,h_67,al_c,q_85,usm_0.66_1.00_0.01,blur_3,enc_auto/ab768d_4fa9041590734c9bab9c8895174bbff2.png)
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Step 2
Buy your credits
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/ Carbon Credit
ECOTIERRA / UdeS CO2 OFFSET PROGRAM
ECOTIERRA and the Université de Sherbrooke offer you the opportunity to offset your greenhouse gas emissions while contributing to campus ecosystem restoration and renewable energy research.
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The purchase of any of the Université de Sherbrooke's carbon credits includes:
- An offset and VCS certified carbon credit (1 ton of CO2 equivalent)
- the planting of a tree on the Université de Sherbrooke's land
- a contribution, up to 20% of the purchase value, to the development of
renewable energy at the Université de Sherbrooke
- A contribution to the financing of internships and scholarships related to the field of
climate change and carbon offsetting