26 CECE Wb 1.1 Amstrong

Summary

Anne Armstrong presented Worcester, Massachusetts’ community cyanobacteria-monitoring program as an example of local climate adaptation. The initiative addresses a water-quality and public-health risk that can worsen as temperatures rise, even though it is not explicitly framed as a climate-change program.

Climate Mitigation and Adaptation

• Mitigation slows climate change by reducing greenhouse-gas emissions or removing greenhouse gases from the atmosphere. Examples include renewable energy, electric vehicles, and reforestation.
• Adaptation helps communities manage climate impacts that are occurring or expected, such as flooding, drought, heat, and crop stress.
• Some actions can do both. For example, planting urban trees can cool neighborhoods while also storing carbon.
• Armstrong emphasized that adaptation does not replace mitigation; communities need both.

Cyanobacteria and Harmful Blooms

• Cyanobacteria, often called blue-green algae, are photosynthetic bacteria that occur naturally in freshwater.
• Warm conditions and excess nutrients can encourage large blooms. At high concentrations, some blooms produce toxins that can harm people and pets, including through skin and respiratory effects.
• When blooms die and decompose, bacteria consume oxygen in the water. Low oxygen can lead to fish kills.
• Blooms can close swimming areas and reduce access to places where people can cool off during heat waves. This can be especially consequential in cities and for residents with limited access to air conditioning or other cool spaces.
• In Worcester, blooms tend to occur in warmer months, though some water bodies can experience later-season blooms as water conditions change.

Worcester’s Community-Science Monitoring Approach

The Worcester Cyanobacteria Monitoring Collaborative recruits volunteers to monitor local lakes and ponds. The process includes:

• Recruiting volunteers in spring and assigning each person a water body.
• Sharing results from the previous year and training volunteers to use simple sampling equipment.
• Having volunteers sample their assigned water body twice a month. They record conditions such as water and air temperature, recent rain, and weather, and submit photographs.
• Bringing samples to a central location for analysis.
• Offering monthly microscope sessions where volunteers can inspect samples and learn to identify cyanobacteria and other plankton.
• Sending results to volunteers by email and posting monitoring signs with QR codes linking to current information. Signs are also translated into Spanish.

Armstrong said the program monitored 22 water bodies the previous summer. She highlighted the value of involving volunteers in more than data collection: seeing results, learning to interpret samples, and sharing information can make community-science work more engaging and empowering.

Responses and Lessons from the Program

• The city has used copper sulfate treatments to address blooms, prioritizing waters used for recreation. Armstrong noted that the city had run short of the treatment that year.
• The city’s Blue Worcester initiative aims to reduce phosphorus pollution, including through outreach and education.
• Volunteers valued the learning opportunities and the relatively straightforward sampling process. Some used what they learned to inform local lake and water associations.
• Challenges include maintaining volunteer participation through the summer and connecting monitoring results to decisions and action.
• Armstrong described the program primarily as climate adaptation: it helps the city and residents navigate a growing risk, but it does not directly reduce greenhouse-gas emissions.
• She also connected safe access to public swimming areas with environmental justice, particularly during heat waves.

Climate Communication and Community Action

• Climate education does not always need to name climate change explicitly to support climate-related action; how an issue is framed can depend on local needs and audiences.
• Armstrong described using a One Health perspective, which links environmental and public health. This can make water-quality issues relevant to students, including nursing students.
• She recommended connecting education to local experiences, building on existing community interests and skills, and linking local initiatives with support at other levels of governance.
• In teaching climate science, she described using historical evidence and activities that help students examine climate data, understand the history of climate knowledge, and consider potential responses.
• Participants also discussed engaging children and parents together and focusing outreach on people who are open to learning, rather than spending all efforts on committed climate-change deniers.

Researchers and Sources Mentioned

• Anne (Annie) Armstrong — Worcester State University; presenter and lead author of Communicating Climate: A Guide for Educators.
• Marianne E. Krasny and Jonathan P. Schuldt — co-authors of Communicating Climate: A Guide for Educators. The subtitles render their names approximately as “Maryanne Kran” and “Jonathan Schult.”
• Nick Pagan — identified as a director of the Worcester Cyanobacteria Monitoring Collaborative.
• Eleanor Ostrom — associated with the discussion of polycentric governance.
• Martha Monroe — author of the Walking Through Climate Science activity.
• James Hansen — cited in connection with his 1988 presentation about greenhouse-gas dangers.
• Southeastern Forests and Climate Change — source of the Walking Through Climate Science activity.
• One Health — public-health and environmental-health framework discussed by Armstrong.
• Worcester Cyanobacteria Monitoring Collaborative and the city’s Blue Worcester initiative — community monitoring and phosphorus-reduction efforts discussed in the presentation.