Logan's Run (1976)June 23, 1887: Canada enacts the Rocky Mountains Park Act to create Banff National Park in the Rocky Mountains of Alberta. It is Canada's first national park.

June 23, 1976: The sci-fi film "Logan's Run" (at right) is released. In a ravaged, overpopulated 23rd Century, society has arrived upon a fix: Everyone must die when they turn 30.

June 23, 1988: NASA scientist James Hansen testifies before a U.S. Senate committee on the likelihood of climate change and its impacts. The hearing, chaired by then-Sen. Al Gore, marks the first time that climate change receives major attention in the U.S. media.

June 23, 2012:  Eight separate wildfires rage across Colorado, destroying homes and prompting evacuations in the tourist meccas of Colorado Springs and Estes Park.  Drought, record heat, and a tree-killing beetle infestation are blamed for the record-setting fire outbreak.

Photo: ZUMA Press

This feature is compiled by Peter Dykstra, an MNN contributor and publisher of Environmental Health News and The Daily Climate.

The opinions expressed by MNN Bloggers and those providing comments are theirs alone, and do not reflect the opinions of MNN.com. While we have reviewed their content to make sure it complies with our Terms and Conditions, MNN is not responsible for the accuracy of any of their information.