Iceland's Okjökull glacier once capped the Ok Volcano, but was declared dead in 2014. This past weekend, a plaque was placed on Ok that included a letter to the future.
Source: Forbes/Boyer/Cymene Howe
Talk about a great way to remind people that indeed we do know what is happening, but we also know what needs to be done. Really, we have known this for some time, but the "cracks" in the climate system are really starting to open up now and people are seeing it with their own two eyes.
We could use a few more of these letters. Here's one for the Wasatch Mountains.