![Iwi and members of the public viewing a lake sediment core.](http://static.sciencelearn.org.nz/images/images/000/005/145/full/LAKES_ART_08_Iwi_Engagement._edited.jpg?1679344156)
Local iwi examine a sediment core from their lake. Sediments are like a history book, recording environmental history day after day, year after year, for thousands of years.
Local iwi examine a sediment core from their lake. Sediments are like a history book, recording environmental history day after day, year after year, for thousands of years.