While this set of volunteers was busy with the dead tree, others were busy sprucing up the space on either side of the new picket gate. By 9 a.m., the ground was cleared of plastic to the extent possible and rich red soil spread. Gardener Kumar began putting in stakes and by evening he will cordon the area. Next weekend, we’ll complete planting here and move on to the next step towards transforming our neighbourhood, people’s lake. We are looking to plant a flower border with three plant species in different colours and heights – Rasna (Alpinia calcarata Rox), a medicinal herb which grows up to 1.8 to 2.5 m in height, Tincture plant (Collinsia tinctoria), a low level plant in gorgeous shades of purple and multi-coloured Lantana.
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Can cool roofs beat Chennai’s heatwaves? A look inside the state’s Green Schools push
Over the past few years, maths teacher Usha found her classroom sweltering during her usual 12.50–1.50 pm period, on the second floor of Perunthalaivar Kamarajar Government Girls Higher Secondary School. “It was so difficult to take class during the peak hours,” she says. But this year, she mentions that it feels slightly bearable, and attributes this to the shade of the trees, the wind blowing through the building, and the latest addition — solar-reflective paint on the roof. Data from a state government and UNEP Cooling pilot project at the Ambattur school shows that reflective coating brought the classroom’s internal…












