From the Frommer's article and visualized by City Wellness Atlas with video tours across the world from contributors. Attributions are inside this visualization, including Frommers Top 10 Metro Systems.
Too many in Humanities and too few in sciences, mathematics and computers. Full time university enrollment. 2016/2017. Statistics Canada. Source: Statistics Canada. Table null Postsecondary enrolments, by program type, credential type, Classification of Instructional Programs, Primary Grouping (CIP_PG), registration status and sex https://www150.statcan.gc.ca/t1/tbl1/en/tv.action?pid=3710001101
Countries and the number of 4+ years of university (e.g. Bachelor degree or higher), as percentage of the 25 to 34 population. Source: Wikipedia https://en.wikipedia.org/wiki/List_of_countries_by_tertiary_education_attainment Visualized by City Wellness Atlas: https://citywellnessatlas.ca/
Where in the world is it? "Surface plastic mass by ocean basin, 2013" by Our World In Data. Link below. Source: https://ourworldindata.org/plastic-pollution#where-does-plastic-collect-in-the-ocean
"This list of largest universities by enrollment (in-person, distance and mix) in the world includes total active enrollment across all campuses, as well as off-campus study." Source: https://en.wikipedia.org/wiki/List_of_largest_universities_and_university_networks_by_enrollment This map is also available on the free Google My Maps platform and mobile app.
Current sites in 2019: "The goal of the Archaeological Heritage Resource Management Program is to manage the archaeological resources found on TRCA lands with respect to legislative requirements and approved technical practices." Source: https://trca.ca/conservation/archaeology/current-archaeological-projects/ Get the Google My Maps on Google Play for custom maps by user community, including those by CityWellness Atlas.
One of the most romantics atlases you will ever see. Historic districts and old towns in the world. Source: https://en.wikipedia.org/wiki/Old_town Google My Maps app is free.
Data shows the rate at which garbage is transformed using recycling. Source https://catalog.data.gov/dataset/recycling-diversion-and-capture-rates-dcaef Visualized by City-Wellness Atlas https://citywellnessatlas.ca/
These are 113.6 mln people in 143 countries. Source: https://data.humdata.org/dataset/energy-consumption-of-refugees-and-displaced-people Using the free "Google My Maps" app.
"More ocean and less water" is the irony of climate change. Citywellness Atlas — Map for mobile. Download the Google My Maps app to keep this map: https://play.google.com/store/apps/details?id=com.google.android.apps.m4b&hl=en