Old growth forests in eastern Canada show that the climate started changing almost 100 years ago

By Alexandre Pace, PhD Candidate in Geography, Urban and Environmental Studies, Concordia University

The effects of climate change are complex, especially on the water cycle. As we seek to better understand human-driven climate changes, long-term baselines for environmental data are essential.

However, records of past environmental conditions are too short to give us a robust understanding of how these systems have changed over time. One solution is to look at natural archives.

There are many natural processes that leave behind records of past environmental conditions, including…

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