World Facts

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The World's Least Corrupt Countries

According to the annual Corruption Perception Index (CPI), New Zealand and Denmark are the world's least corrupt countries.

January 24, 2020 01:27

Countries With the Most Pollution-Related Deaths

Air pollution, by definition, occurs when certain harmful substances find their way into the Earth’s atmosphere. Learn about the countries where the most pollution-related deaths occur.

January 23, 2020 23:21

Countries With the Most Debt

A country’s external debt refers to money owed by a country to foreign countries, institutions or individuals who are outside its borders.

January 23, 2020 00:46

What Does an Urban Planner Do?

An urban planner develops strategies for the use of land to accommodate growth, create communities, and revitalize facilities in cities, towns, and other urban environments.

January 21, 2020 00:15

What Is a Smart City?

A smart city uses sensors to collect electronic information from infrastructure and citizens in order to use services and resources more efficiently.

January 20, 2020 23:13

What is a Topographic Map?

Topographic maps are detailed maps that represent the graphics features on the earth surface.

January 19, 2020 21:00

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