Fossil Fuels Linked to 1 in 5 Global Deaths and 90% of CO₂ Emissions

April 2, 2025
4 mins read
Representative image.Photo Source:Ian Barbour(CC BY-SA 2.0)
Representative image.Photo Source:Ian Barbour(CC BY-SA 2.0)

A group of leading scientists has issued a stark warning about the dangers of fossil fuels in a new review published in the journal Oxford Open Climate Change. The report details how fossil fuels are driving interconnected crises affecting human health, climate stability, and biodiversity.

“The science can’t be any clearer that fossil fuels are killing us,” said Shaye Wolf, climate science director at the Center for Biological Diversity and lead author of the report. “Oil, gas and coal will continue to condemn us to more deaths, wildlife extinctions and extreme weather disasters unless we make dirty fossil fuels a thing of the past.”

The review presents comprehensive evidence that fossil fuels are not only fueling climate change but also causing widespread public health problems, environmental injustice, biodiversity loss, and pollution from plastics and agrochemicals.

Fossil fuels account for about 90% of human-caused carbon dioxide emissions, which are heating the planet, making oceans more acidic, and causing unprecedented climate disasters. Air pollution from burning these fuels is responsible for millions of premature deaths worldwide and hundreds of thousands in the United States alone each year.


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Health impacts are severe and widespread. “Fossil fuel pollution impacts health at every stage of life, with elevated risks for conditions ranging from premature births to childhood leukemia and severe depression,” explained David J.X. González, an assistant professor at UC Berkeley School of Public Health.

These health burdens are not shared equally. Communities of color and low-income areas suffer disproportionately from fossil fuel development due to decades of discriminatory policies. Robin Saha, an associate professor at the University of Montana, noted that “these fenceline communities have been treated as sacrifice zones by greedy, callous industries.”

The biodiversity crisis is equally alarming. If fossil fuel use continues unchecked, up to one-third of plants and animals could be lost forever within the next 50 years.

Another growing concern is plastic production, which is being ramped up by the fossil fuel industry. Plastics create persistent pollution that contaminates air, water, soil, food systems, wildlife, and human bodies.

The scientists recommend immediate action to stop fossil fuel expansion and begin phasing out existing development. They note that clean, renewable energy alternatives are already available, affordable, and could save millions of lives and trillions of dollars once fully implemented.

Despite these clear dangers, the fossil fuel industry has spent decades concealing the harms of their products while blocking climate policies. Harvard University professor Naomi Oreskes pointed out, “Perversely, our governments continue to give out hundreds of billions of dollars in subsidies to this damaging industry. It is past time that stops.”

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The review also recommends setting ambitious targets to reduce plastics production, incentivize sustainable alternatives, and adopt agricultural practices that limit petrochemical pollution.

The report focuses particularly on the United States as the world’s largest oil and gas producer and a major contributor to these crises, while presenting solutions for a rapid and fair transition to renewable energy throughout the economy.

Frequently Asked Questions
What makes this scientific warning about fossil fuels different from previous ones? +
This warning is unique because it shows how fossil fuels are driving multiple interconnected crises – not just climate change, but also public health problems, environmental injustice, biodiversity loss, and pollution from plastics and agrochemicals. Published in Oxford Open Climate Change, it synthesizes extensive evidence and focuses on the United States as the world’s largest oil and gas producer.
How are fossil fuels affecting human health? +
Fossil fuel pollution impacts health at every life stage. Air pollution from burning fossil fuels causes millions of premature deaths worldwide each year and is linked to conditions ranging from premature births to childhood leukemia and severe depression. The climate crisis also causes additional health harms through extreme weather events, disease transmission, food insecurity, and displacement.
Why are communities of color more affected by fossil fuels? +
Decades of discriminatory policies, such as redlining, have concentrated fossil fuel development in Black, Brown, Indigenous, and low-income white communities. These “fenceline communities” bear disproportionate health and environmental burdens from fossil fuel extraction, processing, and pollution, effectively treating them as sacrifice zones for industry profits.
How is biodiversity threatened by fossil fuels? +
Fossil-fuel-induced climate change and pollution are accelerating extinction risk. Scientists warn that up to one-third of animals and plants could be lost forever in the next 50 years if fossil fuel use continues unchecked. This occurs through habitat destruction from extraction activities, climate change disrupting ecosystems, and pollution affecting wildlife health and reproduction.
What’s the connection between fossil fuels and plastic pollution? +
The fossil fuel industry is increasing plastic production as a way to maintain demand for their products. This creates pervasive pollution that contaminates air, water, soil, food systems, wildlife, and human bodies. Microplastics, derived from fossil fuels, are now found in virtually all ecosystems and even in human bodies, posing significant health and environmental concerns.
Are there viable alternatives to fossil fuels available now? +
Yes. The scientists emphasize that clean, renewable energy alternatives are already available and affordable. These solutions could save millions of lives and trillions of dollars once fully implemented across the economy. The review presents solutions to phase out fossil fuel extraction and use while transitioning rapidly and fairly to affordable clean energy and materials.

Govind Tekale

Embarking on a new journey post-retirement, Govind, once a dedicated teacher, has transformed his enduring passion for current affairs and general knowledge into a conduit for expression through writing. His historical love affair with reading, which borders on addiction, has evolved into a medium to articulate his thoughts and disseminate vital information. Govind pens down his insights on a myriad of crucial topics, including the environment, wildlife, energy, sustainability, and health, weaving through every aspect that is quintessential for both our existence and that of our planet. His writings not only mirror his profound understanding and curiosity but also serve as a valuable resource, offering a deep dive into issues that are critical to our collective future and well-being.

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