Time lapses of Earth powered by community science.

Used by organizations worldwide to monitor the environment and inspire stewardship.
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45

US States

100k+

Photo submissions

600+

Active chronologs

How Chronolog Works

A chronolog photo station

Organizations set up a chronolog photo station.

A phone mounted on a chronolog photo station

A passerby aligns their phone, snaps a photo, and emails it to chronolog.

A stack of photos creating a time lapse

Their photo is automatically added to the right chronolog time lapse.

A person viewing a chronolog time lapse on their laptop

Chronologs engage your community and record environmental change.

What are chronologs monitoring?

Recent Photo Submissions


Jun 19, 2024

Photo added to Mudflat View, R.W. Traip Academy, Maine, US

Mudflat View

Monitor the environment.

Engage your community.

Info for Organizers

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Chronolog is a monitoring tool for parks, nature centers, wildlife organizations, schools, and museums worldwide. With over 100,000 contributors across 300 organizations, Chronolog is on a mission to engage communities with nature while recording important natural changes.

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