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Eco Ganesh Campaign



While the diety Ganesha appeared early in the evolution of the Hindu brief system, the festival of Ganesh Chaturthi became a major social and public event because of Indian freedom fighter Lokmanya Tilak, who championed it as a means to circumvent the colonial British government ban on Hindu gatherings through its anti-public assembly legislation in 1892. The district of Pune which is the home of the eight special forms of Ganesha ( Ashta Vinayak) was also the city where Lokmanya Tilak lived and led the freedom movement. The celebration is most grand in the city of Pune which continues the tradition of using it to raise social and environmental awareness in society.


The Sculpting Tradition

The tradition of making a Ganesh idol has evolved differently in different parts of the country. A festival that originally began as a way of offerring gratitude to the earth involved bringing a handful of earth home and moulding it oneself into an idol. After worshipping it for a few days it was brought back to the river banks and submerged to carry the prayers and blessings back to the Earth.

In South India, people still follow this tradition of making ones own idol at home and children have grown up watching the ritual being followed annually. Read More


Ganesh Chaturthi (IASTGaṇēśa Chaturthī),  is the Hindu festival that reveres god Ganesha.  Read More


When we began to look at the environmental issues surrounding the Ganesh festival in 2007, in the city of Pune, the birthplace of this massive social event, a few things were immediately evident.

  1. The materials being used to make the items for the worship were chemical and non-biodegradable.
  2. The ritual of immersing these in natural water bodies led to water pollution.
  3. The accessories used in the decorations were also synthetic and polluting.
  4. The size of the idols and the scale at which the festival was being celebrated was creating an environmental impact that was unmanageable.
  5. It was a very popular and deeply sentimental event that could not be easily questioned.

eCoexist began by addressing the most obvious aspect - the material out of which the Ganesh idols were made. Whereas traditionally, the idols were sculpted out of local clay by devotees themselves, in the industrial age, this had been replaced by Plaster of Paris, a man-made material that does not dissolve in water. Additionally, the paints used to colour these idols were chemical oil or watercolours that contained lead and mercury.


The issues around toxicity in the festival of Ganesh Chaturthi can be broadly put under three categories

  1. The impact of immersion of Plaster of Paris on water
  2. The toxic chemicals contained by chemical paints and the impact of these on water.
  3. The impact of all the 'nirmalya' - the worship materials when thrown into water.

It should be clearly stated that it is not the materials themselves that are an issue but the fact that they are 'immersed' in natural water bodies that creates an environmental problem.

Study by Toxics Link on impact of immersion

Research paper by Prof Asolekar IIT Mumbai on impacts of immersion


Guidelines for immersion by Maharashtra Pollution Control Board

Guidelines for immersion by Central Pollution Control Board

High court order Nagpur 2011

High Court order from Aurangabad

Legal histories around the Ganesh immersion

Revised guidelines for immersion by Central Pollution Control Board, May 2020

CPCB guidelines immersion may2020.pdf


Review of revised guidelines by eCoexist and others



ECO FRIENDLY GANESH CHATURTHI : Are we doing it right?

A discussion among five NGOs based in Pune about the Ganesh festival and how the CPCB guidelines will help us minimise the impact of this festival on the river.




Check out our stunning range of biodegradable Ganesh idols made of natural clay, paper cache, and cow dung. These idols are made by traditional artisans across the country. Our idols dissolve in water and are not harmful in any way to wildlife. They can be immersed at home too.