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Man-Made Volcano
The Plastic Man of India

The Plastic Man of India

Dr Rajagopalan Vasudevan proves how even an individual effort can clean the face of our country, as he invents new ways to reuse plastic for roads and buildings.

One day, a professor of Chemistry was watching TV. He saw a doctor blaming plastic for water pollution. This set him wondering—how can plastic cause pollution when it is chemically a hydrocarbon and insoluble in water! The doctor was of course mistaken but his concern was genuine: plastic is an environmental nuisance. Polybags have infested our marketplaces, are swallowed by cattle, clog drains, choke ponds… 

Reviving a Lake using Artificial Wetlands in Delhi

Reviving a Lake using Artificial Wetlands in Delhi

Wetlands purify water through natural processes where aquatic plants act as bio-filters. Plants absorb phosphates and nitrates from the water and roots help to put back oxygen into the water.

Constructed wetlands are a cost-effective method of treating wastewater and polluted water bodies. These are low cost solutions and can be easily made or replicated.