Must have The styling for the image captions on Posts has gone wrong.
The Credit line is not populated when it's a single image embedded, but it is OK when it's an media gallery.
https://dev.p4.greenpeace.org/international/story/13688/post-test-image-captions-and-credits/
The blue caption box is running over the image frame
Full Size images are being allowed on Posts, which overrun the container and is not responsive
https://www.greenpeace.org/international/story/15133/how-to-act-like-grown-ups-when-it-comes-to-meat/