Environment

The purpose of Nizhal’s tree survey is to empower communities to take charge of their spaces, compile data and alert the authorities about various problems that the trees face.

There has been a stark difference in pollution levels in Chennai, during the lockdown and post lockdown. A Greenpeace report points to the spike in NO2 levels in the city air.

Retteri Lake came to Chennai’s rescue during the drought of 2019. Now residents in surrounding areas want action against encroachment and sewage dumping in the lake.

Public memory and paper records are what activists rely on today, but GIS mapping of lakes would provide more information and help citizens play a role in conservation.

சென்னையில் எல்லா பகுதிகளிலும் நிலத்தடிநீர் ஒரே அளவில் இல்லை. எந்த பகுதிகளில் நிலத்தடிநீர் அதிகம் உள்ளது? எங்கு குறைவாக உள்ளது? இதற்கான காரணங்கள் என்ன?

Artist Uma Mani is working to create awareness and gather youth ambassadors for the cause of conserving coral reefs through cinema and other art forms.

#ValueWater is a campaign with a ten point action plan for residents of Chennai to follow, to save water at the household level.

To understand why existing reserves of groundwater are not uniform across the city, one needs to look at what lies beneath the ground at our feet. An explainer

A study by Pondicherry University in 16 locations across the city found that the developed commercial hubs were more polluted by harmful microplastics.

COVID is just the tip of an iceberg. Unless issues such as these are addressed, there will be more disease outbreaks in the future, says one of the authors.

அதிகரிக்கும் வெப்பநிலையை சமாளிக்க சென்னை நகருக்கான வெப்ப செயல் திட்டம் ஒன்று உருவாக்கப்பட்டுள்ளது. இதன் அம்சங்கள் என்ன? இந்தனை எப்பொழுது அரசு அமல்படுத்த வேண்டும்?

On April 30th, we hosted several experts and citizens in an online discussion titled ‘Why does Chennai feel hotter than ever before?’ Watch the discussion and catch a brief summary here.