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  • Understanding Emissions
  • Reducing Emissions
  • The Solutions

Emissions - The Big Picture...

Burning oil and gas creates emissions which cause global warming which causes climate change..


In this section you will find information on:

Greenhouse Gasses

Global Sources of Emissions

Sources of Emissions in Canada


Before the Industrial Revolution there were 280 ppm of C02 in the atmosphere. Now there are 423.85

Before the Industrial Revolution there were 280 ppm of C02 in the atmosphere. Now there are 423.85

Before the Industrial Revolution there were 280 ppm of C02 in the atmosphere. Now there are 423.85

Before the Industrial Revolution there were 280 ppm of C02 in the atmosphere. Now there are 423.85

Before the Industrial Revolution there were 280 ppm of C02 in the atmosphere. Now there are 423.85

Before the Industrial Revolution there were 280 ppm of C02 in the atmosphere. Now there are 423.85

This increase is due to human (anthropogenic) activities.

Greenhouse Gasses (GHG) - What are they?

Greenhouse Gases are gases in the atmosphere that trap heat. There are a number of these gases but by far the largest gas in the atmosphere that traps heat is carbon dioxide (approx. 80% of GHGs) followed by methane gas (approx.11%).

Where do GHG come from?

Fossil fuels – coal, oil and gas – are by far the largest contributor, accounting for over 75% of global greenhouse gas emissions and nearly 90% of all carbon dioxide emissions.*


Carbon dioxide enters the atmosphere through burning fossil fuels (coal, natural gas, and oil), solid waste, trees and other biological materials, and also as a result of certain chemical reactions (e.g., cement production).**


Methane is emitted during the production and transport of coal, natural gas, and oil. Methane emissions also result from livestock and other agricultural practices, land use, and by the decay of organic waste in municipal solid waste landfills.**


*https://www.un.org/en/climatechange/science/causes-effects-climate-change#:~:text=As%20greenhouse%20gas%20emissions%20blanket,the%20usual%20balance%20of%20nature.


**https://www.epa.gov/ghgemissions/overview-greenhouse-gases

Why are they harmful?

As greenhouse gas emissions blanket the Earth, they trap the sun's heat. This leads to global warming and climate change. The world is now warming faster than at any point in recorded history. Since the 1800s human activity has been the main driver of climate change. Warmer temperatures over time are changing weather patterns - more severe storms, increased droughts, warming rising oceans, loss of species, increased health risks, not enough food, increased poverty and displacement of people.*


As a result of these increased emissions the planet is 1.3 degrees warmer than before the IR which is resulting in the increase in atmospheric rivers, wildfires, drought, heat domes, extreme heat events,  sea level rise and more extreme hurricanes and storms along with the slowing down of ocean currents,  and less wind. The warmer air also increases evaporation from land leading to droughts.



2024 Was the Warmest Year on Record

Europe’s Copernicus Climate Change Service (CS3) have confirmed that 2024 was the first to exceed 1.5 degrees above limit. The Copernicus Climate Change Service (C3S) said that all of the internationally produced global temperature datasets show that 2024 was the hottest year since records began in 1850. That individual year reached 1.6C above an estimate of pre-industrial temperatures.


The global average temperature in 2024 was 15.1C, overtaking 2023 – the previous warmest year – by 0.12C.


In January 2025 The World Meteorological Organization (WMO) endorsed the findings by saying that 2024 was the warmest year on record, based on six international datasets, marking “an extraordinary streak of record-breaking temperatures” over the past 10 years.



Sources of Emisssions

https://carbonwise.co/global-greenhouse-gas-emissions-by-sector/

Within each sector emissions are categorized as being Scope 1, 2, and 3 and 4. The Greenhouse Gas Protocol provides the standards that most businesses and organizations use to measure and report Scope 1, 2 and 3 emissions. 


Scope 1 Emissions

  • Direct emissions from sources owned or controlled by a company
  • Examples include emissions from burning fuel in vehicles, boilers, and furnaces 
  • those that a company causes by operating the things that it owns or controls. These can be a result of running machinery to make products, driving vehicles, or just heating buildings and powering computers.


Scope 2 Emissions 

  • Indirect emissions from created by the production of the energy that an organization buys.energy purchased by a company
  • Examples include emissions from generating electricity, steam, heating, or cooling


Scope 3 Emissions

  • All other indirect emissions that occur in a company's value chain 
  • These are also indirect emissions – meaning those not produced by the company itself – but they differ from Scope 2 as they cover those produced by customers using the company’s products or those produced by suppliers making products that the company uses.
  • Examples include emissions from employee travel, transportation of goods, and manufacturing, and the emissions that result from the end use of the products


Scope 4 Emissions are avoided emissions 

  • a voluntary metric devised by the World Resources Institute in 2013 aimed at reducing emissions outside a product’s lifecycle or value chain as a result of the use of the product. As an example a refillable water manufacturer might state that using their bottle avoids emissions compared to a disposable water bottle. 


Scope 3 emissions are the most difficult to measure but they also represent the majority of emissions for most businesses and organizations, estimated to appx 70% for most businesses, as high as 99% for financial services and up to 90% for oil and gas. There is mandatory reporting of scope 3 emissions in the EU but as of 2024 only large financial institutions must report in Canada. 

Canada's Emissions

Canada is the 11th largest emitter of cumulative emissions

 EDGAR - Emissions Database for Global Atmospheric Research, 2024 Report GHG Emissions for All Countries - states that in 2023 Canada emitted appx 748 Million Metric Tonnes (Megatonnes) and was responsible for 1.41% of global emissions. This puts Canada as the 11th largest emitter globally. The EDGAR report includes emissions from all anthropogenic sectors and land use, land use change and forestry.


According to the Government of Canada we emitted 694 Megatonnes (million metric tonnes) in 2023, not including land use, land use change and forestry. 


Our World in Data tells us that these numbers only takes into account the emissions created within our country (production/consumption based emissions). If we take into account all of the traded goods, oil and gas that Canada exports that is burned elsewhere (territorial emissions) we need to add  549 Megatonnes to our 2023 totals. 


If we also take into consideration the 647 Megatonnes of emissions from the 2023 wildfires then Canada emitted 1 890 Megatonnes, which puts us as the 5th largest global emitter for 2023. 


image: https://decarbonization.visualcapitalist.com/global-co2-emissions-through-time-1950-2022/

https://ourworldindata.org/co2/country/canada

https://www.canada.ca/en/environment-climate-change/services/environmental-indicators/greenhouse-gas-emissions.html

https://www.canada.ca/en/environment-climate-change/services/environmental-indicators/greenhouse-gas-emissions.html

From Canada.ca


Between 1990 and 2022, the increase in total GHG emissions observed was mostly due to a 83% (99 Mt CO2 eq) increase in emissions from the oil and gas sector and a 33% (38 Mt CO2 eq) increase from the transport sector. These increases were partially offset by a 47 Mt CO2 eq decrease in emissions from the electricity sector and a 19 Mt CO2 eq decrease in emissions from heavy industry.


Between 2005 and 2022, the overall 54 Mt CO2 eq decrease resulted mainly from a 69 Mt CO2 eq. (-59%) reduction in emissions from the electricity sector and a 10 Mt CO2 eq. (-11%) reduction from the heavy industry sector. Over that period, GHG emissions have also decreased for the waste and others (-8%) sectors, while emissions increased for the oil and gas (+11%), agriculture (+7%) and buildings (+5%) sectors. Emissions from the transport showed limited variation with a +0.1 Mt CO2 eq change.


Dive Deeper

2023 Emissions Show Modest Decline , But Oil and Gas Emissions Undermine Progress 440 Megatonnes 

With only 2% of global emissions, why does Canada’s climate action matter?


WMO 2024 Report Press Release - Greenhouse gas concentrations surge again to new record in 2023


Climate Trace - explore real time visual images of carbon emissions compiled by satellites and other remote sensing technologies.


Our World in Data 

  • Sector by sector: where do global greenhouse gas emissions come from?
  • Which countries emit the most greenhouse gases each year? How do they compare per person?

Ask Yourself

In 2022, the oil and gas sector and transport sector were the largest GHG emitters in Canada, accounting for 31% and 22% of total emissions. Is Canada a petrostate? Should we stop drilling for and exporting oil and gas in order to reduce our emissions?


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