WhoGIS Mapping the World, One Layer at a Time

WhoGIS

Mapping the World, One Layer at a Time

Latest Articles

Boundary Blind Spots: The Hidden Crisis in America's Property Records and What GIS Can Do About It
Urban Planning & GIS

Boundary Blind Spots: The Hidden Crisis in America's Property Records and What GIS Can Do About It

Millions of American homeowners are unknowingly sitting atop legally ambiguous land, their property lines drawn from surveys conducted decades or even centuries ago. Inaccurate boundary data in county assessor offices is fueling tax errors, title disputes, and costly litigation — and most property owners have no idea the problem exists. GIS modernization offers a path forward, but progress across the country remains deeply uneven.
Frozen in Time: The Municipal GIS Crisis Quietly Undermining American Cities
Urban Planning & GIS

Frozen in Time: The Municipal GIS Crisis Quietly Undermining American Cities

While federal and state agencies invest in cutting-edge geospatial infrastructure, thousands of American municipalities are still operating on mapping data that is years — sometimes decades — out of date. The consequences extend far beyond inconvenience, touching emergency response times, zoning decisions, and the basic delivery of public services.
From Drudgery to Discovery: How Artificial Intelligence Is Transforming the Daily Work of GIS Professionals
Urban Planning & GIS

From Drudgery to Discovery: How Artificial Intelligence Is Transforming the Daily Work of GIS Professionals

Machine learning and artificial intelligence are quietly dismantling some of the most time-consuming tasks in the GIS profession, from automated feature extraction to land-use classification at scale. For analysts who once spent entire workweeks manually digitizing imagery, the shift is both liberating and unsettling. WhoGIS examines what this technological inflection point means for the geospatial workforce and the communities whose maps depend on it.
Lost in Translation: How a War Over Geospatial Standards Is Fracturing America's Mapping Infrastructure
Urban Planning & GIS

Lost in Translation: How a War Over Geospatial Standards Is Fracturing America's Mapping Infrastructure

Across federal agencies, state governments, and private technology firms, incompatible data formats and competing coordinate systems are quietly undermining America's ability to share and act on geospatial information. The consequences reach far beyond technical inconvenience, affecting emergency response times, infrastructure investment decisions, and the integrity of civic planning at every level. A closer look at the standards landscape reveals both the depth of the problem and the coalitions
Signal Without Substance: Why GPS Saturation Is Hiding America's True Mapping Gaps
Location Intelligence & Data Privacy

Signal Without Substance: Why GPS Saturation Is Hiding America's True Mapping Gaps

The proliferation of consumer GPS and smartphone location services has given policymakers and planners a dangerous confidence in the completeness of geographic data. Yet vast categories of spatial reality—informal economies, undocumented structures, and off-grid communities—remain systematically absent from standard mapping systems. GIS professionals warn that mistaking signal density for geographic knowledge carries measurable real-world consequences.
Cartographic Archaeology: How Modern GIS Is Resurrecting America's Lost Roads and Abandoned Transit Networks
Urban Planning & GIS

Cartographic Archaeology: How Modern GIS Is Resurrecting America's Lost Roads and Abandoned Transit Networks

Beneath the asphalt of modern American cities and the undergrowth of rural landscapes lie the remnants of transportation networks that once defined how people and goods moved across the continent. Through the application of geospatial analysis, historical aerial photography, and LiDAR remote sensing, GIS professionals are recovering these forgotten corridors — and communities are discovering that old infrastructure may hold the key to tomorrow's planning challenges.
Burning Data: How Geospatial Intelligence Is Rewriting the Rules of Wildfire Defense Across the American West
Urban Planning & GIS

Burning Data: How Geospatial Intelligence Is Rewriting the Rules of Wildfire Defense Across the American West

Advanced GIS platforms are fundamentally changing how fire agencies across California, Colorado, and Oregon anticipate and contain wildfires, transforming reactive response into predictive strategy. By layering vegetation density, atmospheric corridors, and decades of historical burn data, analysts are building spatial models that can forecast fire behavior hours before ignition spreads. Yet persistent technology gaps continue to leave many rural communities dangerously exposed when conditions d
Unmapped and Underserved: How GIS Is Exposing America's Invisible Neighborhoods
Location Intelligence & Data Privacy

Unmapped and Underserved: How GIS Is Exposing America's Invisible Neighborhoods

Across the United States, entire neighborhoods exist in a state of geographic limbo — present on the ground but absent from the digital systems that govern service delivery, federal funding, and civic representation. GIS analysts are now deploying layered spatial analysis to identify these administrative blind spots and quantify the consequences for the communities left behind. What they are finding challenges fundamental assumptions about how well America actually knows itself.
Mapped Injustice: How Geospatial Tools Are Exposing Environmental Inequity in American Communities
Location Intelligence & Data Privacy

Mapped Injustice: How Geospatial Tools Are Exposing Environmental Inequity in American Communities

Across the United States, GIS analysis is revealing a troubling pattern: toxic facilities, industrial corridors, and pollution pathways cluster with startling consistency near low-income neighborhoods and communities of color. While these tools have energized grassroots accountability movements, significant gaps in spatial datasets continue to obscure the full scope of environmental harm. This article examines where the maps succeed, where they fall short, and what is at stake for the communitie
Off the Grid and Off the Map: The Rural Data Deficit Putting American Communities at Risk
Urban Planning & GIS

Off the Grid and Off the Map: The Rural Data Deficit Putting American Communities at Risk

Millions of Americans living outside major metropolitan corridors depend on infrastructure systems that exist, in many cases, only as paper records, hand-drawn diagrams, or institutional memory held by a single aging employee. When GIS data is absent, outdated, or simply wrong, the consequences extend far beyond inconvenience — they shape emergency response times, water system reliability, and the basic capacity of rural communities to function. This article investigates the technical and bureau
Too Much Detail: How Hyper-Precise Mapping Is Leaving Some American Communities Exposed
Location Intelligence & Data Privacy

Too Much Detail: How Hyper-Precise Mapping Is Leaving Some American Communities Exposed

As geospatial data collection reaches unprecedented levels of granularity, a troubling pattern is emerging across American cities and towns: the very precision that makes modern GIS so powerful is also creating new vulnerabilities for residents who never consented to being mapped. Privacy advocates, GIS professionals, and community organizers are raising alarms about who benefits from hyper-accurate location intelligence — and who bears its costs.
Invisible Infrastructure: GIS Is Drawing the Map of America's Broadband Divide
Urban Planning & GIS

Invisible Infrastructure: GIS Is Drawing the Map of America's Broadband Divide

Across rural farmlands, tribal territories, and low-income urban neighborhoods, millions of Americans remain disconnected from reliable high-speed internet — a gap that geospatial analysts are now exposing with unprecedented clarity. By layering broadband availability data against economic, educational, and health indicators, GIS researchers are revealing not just where connectivity is absent, but what that absence costs.
Beneath the Surface: How Spatial Data Is Transforming the Management of America's Underground Utility Systems
Urban Planning & GIS

Beneath the Surface: How Spatial Data Is Transforming the Management of America's Underground Utility Systems

Beneath every American street lies a hidden world of pipes, cables, and conduits that keep modern life functioning. GIS technology is giving municipalities and utility operators an unprecedented ability to visualize, manage, and protect these invisible networks before failures occur.
Drawing the Lines: How GIS Analysis Is Exposing Electoral Inequity Across America
Location Intelligence & Data Privacy

Drawing the Lines: How GIS Analysis Is Exposing Electoral Inequity Across America

Geographic information systems have become a powerful instrument in the ongoing debate over fair elections in the United States. From identifying suspiciously contorted congressional districts to mapping gaps in polling place access, spatial analysis is giving advocates, academics, and election officials new tools to scrutinize the geography of democracy.
When Every Second Counts: Real-Time Geospatial Intelligence and the Future of American Disaster Response
Location Intelligence & Data Privacy

When Every Second Counts: Real-Time Geospatial Intelligence and the Future of American Disaster Response

Modern disaster response has been fundamentally transformed by geographic information systems, shifting emergency management from reactive coordination to anticipatory, data-driven decision-making. From hurricane evacuation corridors in the Gulf Coast to wildfire perimeter tracking in the Western United States, real-time GIS layers are now central to how first responders protect lives and allocate resources under crisis conditions. This feature examines the technologies, workflows, and human exp
Coordinates of Hunger: GIS Technology Exposes the Spatial Roots of Food Insecurity in America
Urban Planning & GIS

Coordinates of Hunger: GIS Technology Exposes the Spatial Roots of Food Insecurity in America

Across American cities and rural counties alike, millions of residents live beyond practical reach of a grocery store — a geographic reality that GIS analysts are now mapping with unprecedented precision. By layering socioeconomic indicators, transportation infrastructure, and retail density data, geospatial professionals are transforming food access from an abstract policy concern into a visible, actionable map. The results are reshaping how communities, planners, and lawmakers understand nutri
Choosing Your Mapping Stack: A Practical Guide to Open Source and Enterprise GIS Platforms
Location Intelligence & Data Privacy

Choosing Your Mapping Stack: A Practical Guide to Open Source and Enterprise GIS Platforms

Selecting the right GIS platform is one of the most consequential technology decisions an organization can make. This guide breaks down the key trade-offs between open source solutions like QGIS and enterprise systems like Esri's ArcGIS, helping businesses, nonprofits, and government agencies identify the mapping stack that best fits their budget, technical capacity, and mission.
Urban Planning & GIS

Charting the Exodus: How GIS Analysts Are Tracking Climate-Driven Migration Across America

As rising seas, intensifying wildfires, and prolonged droughts reshape the American landscape, a new generation of geospatial analysts is using GIS technology to map where millions of Americans may be forced to relocate. From the Gulf Coast to the Colorado River Basin, spatial data is becoming the most powerful tool for understanding the country's climate-driven demographic future.
Your Location Is Showing: The Rise of Spatial Intelligence and What Every American Needs to Know
Location Intelligence & Data Privacy

Your Location Is Showing: The Rise of Spatial Intelligence and What Every American Needs to Know

Location data has quietly become one of the most powerful and pervasive forces shaping American life—influencing where businesses open, how insurers price risk, and what policymakers decide. Yet most Americans have little awareness of how their geographic information is collected, analyzed, and used. In an era defined by data, geographic literacy may be the literacy we can least afford to neglect.
From Blueprint to Byte: How GIS Technology Is Reshaping the American City
Urban Planning & GIS

From Blueprint to Byte: How GIS Technology Is Reshaping the American City

Municipal governments across the United States are turning to sophisticated geographic information systems to tackle some of their most persistent planning challenges. From zoning reform to transit corridor design, modern GIS platforms are giving city planners an unprecedented ability to visualize, analyze, and act on spatial data. This guide breaks down how those tools work—and why they matter for every American community.