Happy New Year to SIAM Mathematics of the Planet Earth members, all SIAM members and all applied mathematicians of all stripes. SIAM MPE leadership is evaluating this blog feature on SIAM engage to share news, ideas, and foster productive and positive discussion about anything related to mathematics of the planet earth. We welcome your input. Here is a test of the feature by sharing the following announcement: The SIAM Conference on Mathematics of Planet Earth (MPE22) will be held jointly with the SIAM Annual Meeting, SIAM Conference on Applied Mathematics Education, and SIAM Conference on Life Sciences in Pittsburgh, Pennsylvania, USA July 13-15, 2022. ...