Bengaluru Has No Water: Find Out The Reasons Why?


Mohul Ghosh

Mohul Ghosh

Mar 15, 2024


Amidst Bengaluru’s water crisis, exacerbated by rapid urbanization, shocking revelations emerge: a 79% decline in water spread areas and an 88% loss of vegetation over the last 50 years. In fact, as per a IISc study, 93% of Bengaluru is concrete jungle, as rapid urbanization has destroyed nature.

Bengaluru Has No Water: Find Out The Reasons Why?

Explore the reasons behind the vanishing water in Bengaluru.

  • Drastic Urbanization Trends:
    • Built-up areas in Bengaluru have surged by a staggering 1055% in recent decades.
    • However, this has coincided with a significant 79% decline in water spread areas and an 88% loss of vegetation over the last 50 years.
  • Impact on Water Resources:
    • The reduction in water spread area, from 2,324 hectares in 1973 to 696 hectares in 2023, has severely affected groundwater levels.
    • Encroachment and pollution have ravaged 98% of lakes, with 90% receiving untreated sewage or industrial effluents, further diminishing groundwater recharge.
  • Rise in Pollution and Temperature:
    • The surge in built-up areas has led to higher air pollution levels and increased temperatures.
    • The loss of green cover exacerbates these issues, contributing to environmental degradation.
  • Insufficient Green Cover:
    • Remote sensing data reveals a stark reality: only 1.5 million trees support a population of 9.5 million in Bengaluru.
    • This inadequate green cover fails to sequester respiratory carbon effectively, further aggravating pollution concerns.
  • The Role of Information Systems:
    • The Bengaluru Information System (BUiS) and Bangalore Lakes Information System (BLIS) aim to provide valuable insights into the city’s urban dynamics.
    • These systems visualize tree distribution, water bodies, and ecologically sensitive regions, aiding researchers and policymakers.
  • Consequences of Unplanned Urbanization:
    • Uncontrolled urbanization has led to a plethora of issues, including pollution, resource inequity, traffic congestion, slum proliferation, and unemployment.
    • Additionally, reliance on fossil fuels has increased, exacerbating environmental challenges.
  • Contributions and Solutions:
    • Researchers, including Bharath H Aithal, Vinay S, Tulika Mondal, and Abhishek Baghel, have played pivotal roles in collecting historical data and setting up information systems.
    • Addressing the challenges posed by urbanization requires concerted efforts towards sustainable development and environmental conservation.

Mohul Ghosh
Mohul Ghosh
  • 1521 Posts

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