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| When | What | Who | Comment |
|---|---|---|---|
| January 3, 2022 | Dana Bolton | Added Erosion to the list. | |
| January 3, 2022 | Dana Bolton | Added Why Should I Save Energy? to the list. | |
| January 3, 2022 | Dana Bolton | Added The adventures of a plastic bottle to the list. | |
| January 3, 2022 | Dana Bolton | Added Human footprint to the list. | |
| January 3, 2022 | Dana Bolton | Added The Polar Bears' Home to the list. |
