Two decades post-Hurricane Katrina, a barrier island in Alabama is vanishing, a stark reminder of the ongoing impacts of climate change.

Key Points:

• The island's erosion highlights the urgent need for coastal protection.
• Lessons learned from Katrina stress the importance of safeguarding wildlife.
• Public discussions continue on whether to subsidize sinking cities.
• Actor Wendell Pierce emphasizes the importance of remembering the past.

Here's the full scoop.