NCCEH eNews - July 2017
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Cyanobacteria in Freshwater: A Quick Guide to Public Health Considerations

Cyanobacteria, also known as blue-green algae, can produce cyanotoxins. Exposure to these toxins can cause illness and, in rare cases, be fatal. Cyanobacteria and cyanotoxins can be present in waterbodies at any time of year, but typically present an elevated health risk during summer or early fall.

The NCCEH has assembled our newest list of resources as a quick reference guide for public health practitioners to learn more about cyanobacteria, cyanoblooms, and cyanotoxins.

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Cyanobacteria in Freshwater:
A Factsheet​

What are cyanobacteria? Are cyanoblooms preventable? Who is at risk and how does exposure occur? Is there testing for cyanotoxins?

This NCCEH document provides a brief outline of these key questions related to cyanobacteria and the toxins they produce.

How Climate Change Impacts Drinking Water Source Quality

Climate change and forest harvest practices are driving an increase in the intensity and frequency of wildfires. These in turn affect the nutrient dynamics of streams and lakes, which may promote algal blooms. Originally delivered at the CIPHI 2016 Annual Conference, presentation gives a brief overview of research of how climate change is affecting stream and river water quality.

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Should I eat this fish?
• The Government of Alberta has released a mobile app, available on iOS and Android devices, that allows users to find out if the fish they have caught has a consumption advisory by selecting from a list of fish species and waterbodies in Alberta. It can also inform users if they should limit the amount of fish they eat based on the weight of the fish caught. Information in the app is based on the table of Recommended Fish Consumption Limits in Alberta.

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Recent Publications

Air pollution abatement performances of green infrastructure in open road and built-up street canyon environments
Association between ambient fine particulate matter and preterm birth or term low birth weight
Long-term exposure to ambient ultrafine particles and respiratory disease incidence in in Toronto​

Built Environment
Creating complete and sustainable communities: healthy policies for active transportation
Does the health impact of exposure to neighbourhood green space differ between population groups?
Interactions of psychosocial factors with built environments in explaining adolescents' active transportation
Special issue on sustainable planning approaches for urban peripheries

Climate and the eye: case-crossover analysis of retinal detachment after exposure to ambient heat
Climate change adaptation planning in large cities
Risk and protective factors for heat-related events among older adults of Southern Quebec

Contaminants and Hazards
Case studies and evidence-based approaches to addressing urban soil lead contamination
Health behaviours associated with indoor tanning based on the 2012/13 Manitoba Youth Health Survey
Association between indoor tanning and melanoma in younger men and women
Contaminants of concern in cannabis: microbes, heavy metals and pesticides

Sous vide style cooking practices linked to Salmonella Enteritidis illnesses
The association of household food security, household characteristics and school environment with obesity status among off-reserve First Nations and Métis children and youth in Canada
The potential for urban household vegetable gardens to reduce greenhouse gas emissions
A natural experimental study of the protective effect of home ownership on household food insecurity in Canada before and after a recession
Food capacities and satisfaction in participants in food security community interventions in Montreal

Practices and Procedures
A public health approach to understanding and combating the rise of urban diabetes
Public health information in crisis-affected populations: a review of methods and their use for advocacy and action
Motivation and engagement of public health inspectors: a Canadian perspective for the 21st century

​• Water security for northern peoples: review of threats to Arctic freshwater systems in Nunavut, Canada
​• The importance of toxin detection and quantification: environmental issues, public health, food safety, animal health, bioterrorism, bioactive compounds, medical approach


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