What health and environmental risks does William Leong cite from incineration?

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Health and Environmental Risks Associated with Incineration

William Leong has cited several health and environmental risks stemming from incineration processes, particularly concerning proposed waste-to-energy incinerators in Rawang. These risks include the release of harmful chemicals and pollutants into the air, such as particulate matter that can lead to lung and heart diseases. Additionally, heavy metals like lead and mercury are identified as potential neurotoxins, while toxic chemicals such as furans and dioxins are linked to cancer and other severe health issues. The generation of toxic fly ash and bottom ash as residue from combustion is another significant concern.
Air Pollutants and Associated Diseases

Incineration processes release various air pollutants, notably particulate matter. These fine particles are a direct cause of respiratory and cardiovascular ailments, including lung and heart diseases. The continuous emission of such pollutants from waste-to-energy facilities can have a cumulative negative impact on the health of nearby communities.
Heavy Metals and Neurological Concerns

The combustion of waste can also lead to the release of heavy metals, such as lead and mercury. These toxic elements are known to cause neurological damage and diseases. Exposure to these heavy metals, even in small quantities over time, can have profound and lasting effects on human health, particularly affecting cognitive functions and nervous system development.
Toxic Chemicals and Carcinogenic Effects

Beyond particulate matter and heavy metals, incineration is also associated with the release of highly toxic chemicals, including furans and dioxins. These persistent organic pollutants (POPs) are potent carcinogens, increasing the risk of developing various types of cancer. The Stockholm Convention, which provides guidelines for managing such pollutants, highlights the need for stringent controls on incinerator emissions to mitigate these risks.
Generation of Toxic Ash and Potential for Underground Hazards

The residue from incineration, known as fly ash and bottom ash, can also be toxic. Furthermore, Leong raised concerns about the geological suitability of proposed sites in Rawang, which were formerly coal mining areas. The presence of combustible gases like methane in underground tunnels from old mines poses a risk of underground fires and explosions, as evidenced by a past incident in Batu Arang where an uncontainable underground fire forced residents to evacuate.

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What health and environmental risks does William Leong cite from incineration?

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