Canada's oil sands emit more air pollutants than previously reported

A new study reveals that Canada's tar sands operations emit air pollutants at levels significantly higher than previously estimated, posing a serious environmental and health concern.

Nicholas Kusnetz reports for Inside Climate News.


In short:

  • The study, published in Science, used aircraft measurements to find organic carbon emissions from Canada's tar sands are 20 to 64 times higher than reported by companies.
  • These emissions include compounds contributing to hazardous air pollution and particulate matter that can travel long distances, affecting air quality far beyond the immediate area.
  • The findings highlight a critical underestimation of pollution levels, raising concerns about the health impacts on local and distant communities.

Key quote:

"The absolute magnitude of those emissions were a lot higher than what we expected."

— John Liggio, research scientist, Environment and Climate Change Canada

Why this matters:

This revelation underscores the often-underestimated environmental impact of oil sands operations, directly affecting air quality and health outcomes. It also raises significant questions about current regulatory practices and the need for more accurate pollution monitoring, resonating with broader environmental and health concerns on a national scale.

Be sure to read about the Native tribes, hell-raisers and lawyers who have combined to battle pipeline projects.

A medical professional holding a tablet

What incentives could help healthcare limit its climate impact?

Healthcare contributes to nearly 9% of U.S. greenhouse gas emissions. What strategies can help the industry address its climate footprint?

Chinese-manufactured BYD EVs on display at new dealership in San Miguel de Allende, Mexico
Credit: Jim Germond/Environmental Health Sciences

Trump-Xi summit raises a terrifying prospect for US and Europe: Chinese cars

The question is when, not if, U.S. and European auto markets will open up to Chinese EV investment.
Head shot of Al Gore as he arrives for 'An Inconvenient Sequel: Truth To Power' Screening on July 25, 2017 in Hollywood, CA, 2017 head shot
Credit: DFree/BigStock Photo ID: 411783373

20 years after ‘An Inconvenient Truth,’ Al Gore grapples with the (big) wrinkle of artificial intelligence

The former vice president sat down with Inside Climate News to discuss data centers, Trump, China, and the future of American democracy.

Four young people wearing t-shirts that read "volunteers" equipped to plant trees.

Is caring about the climate unmanly?

The answer is complex — and says a lot about how masculinity works in the modern world.
A private plane painted black sitting on the tarmac

Private jets flocking to Cannes branded 'obscene' as fuel crisis sparks food shortage fears

More than 700 private flights flew to and from Cannes Film Festival for last year’s star-studded event, burning two million liters of fuel.

A person holding a card with the ace of diamonds on it

Is the best climate bet a cleaner grid or a cleaner sky?

In a rare head-to-head test of returns on investment, renewables bested carbon capture in almost all scenarios across the U.S. through 2050.

Pipelines extending toward a geothermal energy plant with steam rising from it

Can the US harness old oil and gas wells to produce geothermal energy?

Red and blue states alike are working to transform abandoned wells from costly, polluting liabilities into sources of clean power and heat.
From our Newsroom
Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals

Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals

One facility has emitted cancer-causing chemicals into waterways at levels up to 520% higher than legal limits.

Regulators are underestimating health impacts from air pollution: Study

Regulators are underestimating health impacts from air pollution: Study

"The reality is, we are not exposed to one chemical at a time.”

Pennsylvania governor Josh Shapiro speaks with the state flag and American flag behind him.

Two years into his term, has Gov. Shapiro kept his promises to regulate Pennsylvania’s fracking industry?

A new report assesses the administration’s progress and makes new recommendations

silhouette of people holding hands by a lake at sunset

An open letter from EPA staff to the American public

“We cannot stand by and allow this to happen. We need to hold this administration accountable.”

wildfire retardants being sprayed by plane

New evidence links heavy metal pollution with wildfire retardants

“The chemical black box” that blankets wildfire-impacted areas is increasingly under scrutiny.

Stay informed: sign up for The Daily Climate newsletter
Top news on climate impacts, solutions, politics, drivers. Delivered to your inbox week days.