is a vibrant collage of particle physics trajectories (Photo credits: DESY Zeuthen) and yin-yang deep-space galactic imagery (Photo credit: NASA, ESA, CSA, STScI, https://webbtelescope.org/images). Don Lincoln, author of “Where is Half of the Universe?” on page 646, produced this arresting cover to represent the puzzle of the missing anti-matter in our universe. Also in this issue you will find seven more articles in the TPT special collection on “Climate change and sustainability in intro physics.” Enjoy!