UPSC Mapping

Prelims	Mains
Geography and International Relations	GS Paper 1 (Geography)

Quick Facts

Lead Country	Togo
Projection Type	Equal-area
Development Year	2018

Article

The recent adoption of the Equal Earth Map by the United Nations marks a significant shift in global cartographic representation. Aspiring civil servants must understand its profound implications for geographical accuracy and cognitive justice. This resolution moves away from the historically dominant Mercator projection. It aims to provide a fairer visual depiction of landmasses, particularly in the Global South. Explore our daily current affairs archive for more structured updates on such global developments.

What is the Equal Earth Map?

The Equal Earth Map is a modern equal-area projection developed in 2018 by an international team of cartographers. It accurately preserves the relative areas of landmasses while allowing some minor distortion in shape and distance. Its meridians curve gently towards the poles, creating a visually pleasing and mathematically sound representation. This design directly addresses the severe area distortions found in older map projections.

Every flat map must inevitably distort at least one of four properties: area, shape, distance, or direction. The Equal Earth Map prioritizes area preservation above all else. This makes it exceptionally useful for thematic and statistical data visualization. It helps reverse historical misconceptions about the true size of continents like Africa and South America.

Why is the Equal Earth Map in News?

The United Nations General Assembly recently adopted a resolution to move away from the sixteenth-century Mercator map. This Togo-led resolution received support from 164 countries, including India, while the United States voted against it. Although UN resolutions are non-binding, this symbolic step encourages governments and classrooms to adopt fairer representations. India backed the resolution while firmly maintaining its stance on the depiction of Jammu and Kashmir.

Critics have long argued that the Mercator projection reflects a Western-centric worldview. It significantly enlarges landmasses located near the poles, making Greenland appear similar in size to Africa. In reality, Africa is fourteen times larger than Greenland. The Equal Earth Map corrects this visual diminishing of the Global South, promoting cognitive justice in global education.

Key Features

The architecture of the Equal Earth Map rests on several foundational cartographic principles designed for accuracy.

• Equal-Area Preservation: Maintains the true relative size of all landmasses, preventing polar exaggeration.
• Gentle Meridian Curves: Softly curving meridians reduce shape distortion while retaining a globe-like appearance.
• Thematic Suitability: Ideal for displaying statistical data, such as population density, climate impacts, and resource distribution.
• Modern Development: Created in 2018, leveraging advanced computational cartography for balance between accuracy and aesthetics.

Challenges

• Navigation Incompatibility: Cannot represent rhumb lines as straight lines, making it unsuitable for marine navigation.
• Entrenched Habits: Mercator’s long-standing use in education and digital apps creates public familiarity that is hard to shift.
• Shape Distortion: Perfect area preservation introduces minor stretching or squashing of landmass shapes.
• Digital Defaults: Major platforms like Google Maps still use Mercator by default, limiting exposure to alternatives.

Way Forward

To maximize the impact of the Equal Earth Map, educational institutions must update curricula and classroom materials. Governments should encourage equal-area projections for official statistical and thematic publications, ensuring future generations develop a mathematically accurate understanding of global geography. Technology companies should offer the Equal Earth Map as a prominent default alternative in digital mapping applications. A comprehensive strategy will challenge long-held perceptions and foster a more equitable global worldview.

Prelims Practice Questions

• Q1. Consider the following statements regarding the Equal Earth Map:
  1. It is an equal-area projection that preserves the relative size of landmasses.
  2. It was developed in the 16th century by Gerardus Mercator.

  Which of the statements given above is/are correct?

  Answer: (a) 1 only. It was developed in 2018, whereas the Mercator projection was introduced in 1569.

• Q2. Which property does the Equal Earth Map primarily preserve?
  • (a) Direction
  • (b) Shape
  • (c) Area
  • (d) Distance

  Answer: (c) Area. It is an equal-area projection designed to preserve the relative area of landmasses.

• Q3. Why is the Mercator projection considered problematic for thematic world maps?
  • (a) It distorts the relative area of landmasses near the poles
  • (b) It cannot show oceans
  • (c) It is too complex to draw
  • (d) It only works for the Southern Hemisphere

  Answer: (a) It significantly enlarges landmasses near the poles, creating a distorted view of global proportions.

• Q4. Which country led the UN resolution to move towards the Equal Earth projection?
  • (a) India
  • (b) Togo
  • (c) Brazil
  • (d) South Africa

  Answer: (b) Togo. The resolution was led by Togo to encourage a fairer visual representation of global land areas.

• Q5. For which purpose is the Equal Earth Map most suitable?
  • (a) Marine navigation
  • (b) Thematic and statistical data visualization
  • (c) Aviation routing
  • (d) Compass bearing calculation

  Answer: (b) Thematic and statistical data visualization. It provides a mathematically accurate comparison of land areas.

Mains Practice Questions

• Q1. Discuss the significance of the Equal Earth Map in promoting cognitive justice in global cartography. (150 words, 10 marks)

  Answer Structure:

  • Intro: Briefly introduce the Equal Earth Map and the concept of cognitive justice in cartography.
  • Body: Significance (corrects historical size distortions of the Global South, challenges Western-centric worldviews, provides accurate data visualization for climate and population studies); Contrast with Mercator (polar exaggeration).
  • Conclusion: Emphasize the need for educational institutions to adopt fairer projections to shape accurate global perceptions.
• Q2. “No flat map can be perfect, and every projection serves a specific purpose.” Critically examine this statement with reference to the Mercator and Equal Earth projections. (250 words, 15 marks)

  Answer Structure:

  • Intro: Contextualize the geometric impossibility of flattening a spheroid without distorting area, shape, distance, or direction.
  • Body: Mercator utility (conformal, preserves angles, ideal for marine navigation) vs. flaws (severe area distortion); Equal Earth utility (equal-area, ideal for thematic/statistical data, promotes cognitive justice) vs. flaws (unsuitable for navigation, minor shape distortion); Importance of choosing projections based on use case.
  • Conclusion: Cartographic literacy requires understanding trade-offs rather than seeking a perfect map.

FAQs on Equal Earth Map

What is the Equal Earth Map?

The Equal Earth Map is a modern equal-area projection developed in 2018 that accurately preserves the relative areas of landmasses while allowing some minor distortion in shape and distance.

Why did the UN adopt the Equal Earth Map?

The UN supported this map to encourage a fairer visual representation of global land areas, particularly correcting the historical underrepresentation of Africa and the Global South.

Is the Equal Earth Map suitable for navigation?

No, it is not designed for navigation. The Mercator projection remains useful for marine navigation because it represents constant compass-bearing routes as straight lines.