Scientific discoveries and stories from large lakes worldwide, published quarterly by the International Association for Great Lakes Research.
spring 2026: Great Lakes Policy
Securing the sustainability of Great Lakes basin groundwater resources
Groundwater, the "sixth Great Lake," faces rising demand from agriculture and technology. Improved data and coordinated policy are vital for long-term sustainability.
On the road to disaster: How road salt policy gaps are threatening the Great Lakes
Road salt is is accumulating in the Great Lakes, threatening aquatic life and groundwater. Regulations and liability reform are needed.
A snapshot of Great Lakes conditions
Report reveals progress in reducing toxins and invasive species introductions but warns of persistent challenges like algal blooms and habitat loss.
Issues Archive
Great Lakes Policy
spring 2026 • Issue 29
Large lakes of the world
winter 2026 • Issue 28
Science & Innovation
fall 2025 • Issue 27
Science under threat: Stories from the field
Summer 2025 • Issue 26
Communicating Science
Spring 2025 • Issue 25
Science and Hope
Winter 2025 • Issue 24
Oil Spill Science
Fall 2024 • Issue 23
Remote‑Sensing
Summer 2024 • Issue 22
Water on the Move
Spring 2024 • Issue 21
Human Health
Winter 2024 • Issue 20
Plastic Pollution
Fall 2023 • Issue 19
Legal Frameworks
Summer 2023 • Issue 18
Acoustic Monitoring
Spring 2023 • Issue 17
Collaborative Research
Winter 2023 • Issue 16
Long-term Research
Fall 2022 • Issue 15
Coastal Zone
Summer 2022 • Issue 14
Biodiversity
Spring 2022 • Issue 13
Ecosystem Approach
Winter 2022 • Issue 12
Winter Research
Fall 2021 • Issue 11
Climate‑Change Impacts
Summer 2021 • Issue 10
Community Science (Citizen Science)
Spring 2021 • Issue 9
Community Service
Winter 2021 • Issue 8
Indigenous Knowledge
Fall 2020 • Issue 7
Pandemic, Conference Highlights
Summer 2020 • Issue 6
Arts and Science
Spring 2020 • Issue 5
International Collaboration
Winter 2020 • Issue 4
Technology
Fall 2019 • Issue 3
Science and Policy
Summer 2019 • Issue 2
Lakes Letter Redux
Spring 2019 • Issue 1