Sign In ArcUser Summer 2021, Vol. 24, No. 3 | About this issue To Better Understand the Earth Ecological coastal units (ECUs) were created by USGS, Esri, and others for mapping and analyzing the world’s coastal regions. Read this article Search The Geographic Approach Matters More Than Ever GIS—Creating a Sustainable Future, the the 2021 Esri User Conference theme, emphasizes using GIS to balance environmental, economic, and society. Read this article Act Now for the Future GIS is critical to adopting a sustainable approach to living and working as the challenges to the Earth increase. Read this article FOCUS South Korean City Uses a Digital Twin to Meet Challenges Show Description SPECIAL Science Symposium Focuses on Biodiversity Show Description END NOTES Saving Water, Money, and Time with GIS Show Description SOFTWARE AND DATA AI Enables Rapid Creation of Global Land Cover Map Show Description SOFTWARE AND DATA Increase the Value of Imagery in Your Organization Show Description SOFTWARE AND DATA You Should Share Your Data Show Description HANDS ON The Importance of Margins of Error and Mapping Show Description FOCUS Mapping Pikas’ Habitat to Help Save Them Show Description MANAGER'S CORNER How to Review a Geospatial Strategy Show Description MANAGER'S CORNER Take Your ArcGIS Online Organization to the Next Level Show Description DEVELOPER'S CORNER Six Ways to Visualize Change Over Time in Web Maps Show Description HANDS ON Customize Legends in ArcGIS Pro Show Description MANAGER'S CORNER Update Your Basemaps from Raster to Vector Show Description HANDS ON Ten Tips for Tables in Layouts Show Description FACES OF GIS Students Used GIS to Respond to the Great Flood of 2019 Show Description EDUCATION Penn State’s Geodesign Students See Opportunities for Community Growth Show Description EDUCATION ArcGIS Learning Available through Your LMS Show Description EDUCATION Textbooks and Resources for Educators Show Description ESRI PRESS GIS Bookshelf Show Description SOFTWARE AND DATA Briefly Noted Show Description SHARE THIS PAGE GET THE PDF ArcUser ArcUser Summer 2021 Read this issue View the PDF MISSED THE PREVIOUS ISSUE? ArcUser ArcUser Spring 2021 Read articles from the previous issue View the PDF Subscribe to ArcUser Subscribe Update your information or preferences EXPLORE About ArcUser Past issues CONTRIBUTE Submit an article Advertise CONNECT Esri Community ARCGIS About ArcGIS Mapping ArcGIS Pro ArcGIS Enterprise ArcGIS Online Apps ArcGIS Developer ArcGIS Platform Esri Store COMMUNITY Esri Community ArcGIS Blog Industry Blog Holistic Testing Program Early Adopter Community Events UNDERSTANDING GIS What is GIS? Location Intelligence Training Maps We Love Esri Blog WhereNext Magazine Esri Press Learn ArcGIS COMPANY About Esri Contact Us Careers Open Vision Partners Code of Business Conduct Esri Merch Store SPECIAL PROGRAMS ArcGIS for Personal Use ArcGIS for Student Use Conservation Disaster Response Education Nonprofit COVID-19 Racial Equity Switch Language Privacy Accessibility Legal Sitemap Trust Center