That is only carbon dioxide produced during consumption of solid, liquid, and gas fuels and gas flaring as you stated . Not all greenhouse gas or co2 contributors or what we get from other countries nor is co2 the only one giving us climate change
This may help him
Cheers
ourworldindata.org
Other issue is our forests emit more than they absorb in many areas for the last 20 years
climateinstitute.ca
This may help him
Cheers

Canada: CO2 Country Profile
Canada: How much CO2 does your country emit? Are emissions falling? How does it compare to other countries?


Forests could tip the carbon scales either way on Canada's path to net-zero - Canadian Climate Institute - Blog
In spite of their vast potential, Canada’s forests have been a net source of carbon emissions for the better part of two decades, releasing ...
