GUWAHATI: Bhopal has introduced solar-powered “algae trees” in a pilot deployment aimed at exploring microalgae-based technology to improve air quality in densely populated urban areas.
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The installation has been described as India’s first deployment of algae tree technology, with the initial unit set up at Swami Vivekananda Park on May 1. Subsequent units have been installed near Roshanpura Square and other prominent public locations across the city, with further expansion planned in high-traffic and congested urban areas.
The initiative was inaugurated by BJP MLA Vishwas Sarang and developed by Mushroom World Group after nearly two years of development work.
The algae tree is a solar-powered system that uses microalgae to absorb carbon dioxide and release oxygen through photosynthesis. The enclosed device is also designed to filter particulate matter from surrounding air, making it suitable for installation in space-constrained urban environments where conventional plantation is limited.
According to developers, the system is claimed to be equivalent in function to around 25 mature trees in terms of carbon absorption. It is also reported by the developers to absorb approximately 1.5 tonnes of carbon dioxide annually and generate nearly 1 tonne of oxygen. In addition, it is said to reduce PM2.5 levels by 45–55 per cent within a 15-metre radius, although these figures have not been independently verified in public scientific assessments.
Officials described the initiative as a supplementary experiment in urban greening and pollution control, particularly for congested areas where expanding natural green cover is difficult. They added that the technology is not intended to replace traditional tree plantation but to complement existing environmental measures.
Authorities said more installations may be taken up across the city in the coming months as part of the ongoing pilot phase.