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Topic Pages

Topic Pages introduce an aspect of the environment and its relation to public health by featuring a curated shortlist of NCCEH and external resources. The most relevant resources related to a topic have been selected to best guide the search for further information. These lists are not intended to be exhaustive, and the omission of any individual resource does not preclude it from having value.

Mould

Topics: Air, Indoor Air

Mould is a ubiquitous fungus in outdoor environments that inevitably makes its way indoors. The general population is commonly exposed to mould through inhalation, and less commonly through direct contact, with no adverse effects. However, individuals with asthma or other underlying respiratory ailments may show sensitivity to mould or its cellular components that may trigger respiratory tract...

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Bed Bugs

Bed bugs (Cimex lectularius) are small, elusive, and resilient insects that live by feeding on the blood of mammals, including humans. Bed bug infestations have become prominent worldwide, generating increased public concern. Despite the attention given to bed bugs by the public, researchers, governments, and pest management professionals, there are still considerable challenges with managing bed...

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Hydraulic Fracturing for the Production of Shale Gas

Hydraulic fracturing (also termed “fracking”) is the process used, along with horizontal drilling, to extract unconventional natural gas (shale gas, tight gas or coalbed methane) and tight oil from reserves deep in the earth. Fractures are created in relatively impermeable rock (such as shale) by injecting large amounts of fracturing fluid (a mixture of water and chemicals) deep into the earth...

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