Climate Change and Health
Climate change is causing more frequent and intense climate hazards and increases the risk of climate shocks; sudden and significant changes in weather that can have severe and unpredictable consequences to our health. It also impacts the air, food, water, homes, land, communities, and health care systems that we depend on.
What are some of the health impacts of climate change?
Who is the most at risk?
| At-risk populations |
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Although everyone is affected by climate change some people face greater health risks than others.
In general, at-risk populations include:
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Let's explore how climate vulnerability is influenced by exposure, sensitivity, and adaptive capacity.*
Are you exposed to climate hazards? Some people and communities have greater exposure to climate hazards such as extreme heat or flooding because of where they live or work.
Are you sensitive to climate hazards? Some people are more sensitive to climate hazards because of their age or health. For example older adults and young children are more susceptible to heat-illness than others due to a reduced ability to regulate body temperature.
Are you able to protect yourself from climate hazards? The ability to protect yourself from climate hazards is called adaptive capacity. Harm from climate hazards can be prevented by improving the ability of people and communities to protect themselves.
The illustration (on the right) shows how these factors can determine a person’s risk of harm from climate hazards. *The term "vulnerable" can be stigmatizing. While factors of vulnerability are important for assessing risk, the term vulnerable as a label for individuals, communities or populations can be harmful.
Climate vulnerability
and health
What is Durham Region Health Department doing to protect residents from the impacts of climate change?
Durham Region is already experiencing the effects of climate change and there is an urgent need to be prepared for local health impacts now and in the future.
As part of the Ontario Public Health Standards (2021), Durham Region Health Department works to assess and address the health impacts of climate change. This involves monitoring emerging trends and priority populations and working with partners to reduce exposure to climate hazards. This includes:
- Durham’s Heat Warning and Information System (HWIS) and heat health safety initiatives.
- Air quality monitoring and guidance for minimizing health risks.
- Guidance on ultraviolet radiation exposure and sun safety.
- Flood prevention, preparedness, and health risks information.
- Monitoring, reporting and prevention of climate related infectious diseases such as Lyme disease and West Nile virus.
- Monitoring and reporting regional and neighbourhood health data to support strong, safe and equitable neighbourhoods.
- Climate change and health vulnerability assessments.
| More Durham Region programs that promote health and climate change resilience |
Flood preparedness: Information to create a more flood resilient region |
| Durham Regional Plans to address climate change |
| Other helpful resources |
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