Water is colourless. But when we observe any large water body, it appears blue. When it has a lot of impurities (or nutrients), it can vary from red, green, white, grey, brown, black to anything that is weird and filthy. Read about some important terms related to different colours of water that we come across in common parlance or which researchers use to understand better this elixir of life. Bluewater: ‘Why is water blue in colour?’—humans must have raised this question since time immemorial. But in 1921, this query was resolved when Sir CV Raman raised and answered it successfully...
An update from the GSP Renewable Energy Fair for Schools—The Big Idea, hosted on 21 February 2023 at the India Habitat Centre, New Delhi. ****************************************** The Centre for Science and Environment (CSE), New Delhi conducted an enthusiastic renewable energy fair for schools, as part of its Green School’s Carnival 2023. It was held on February 21, 2023 at the India Habitat Centre, New Delhi. The exhibits showcased some brilliant ideas...
The Mission and the Mangoes is a work of fiction that sets its premise around a dystopic, water-starved Earth where unrestrained mining, drilling and the exhaustion of earth’s resources is rendering the planet unlivable. The young author of the book, 12-year-old Hena Parveen, tries to marry a futuristic setting where technological advancements such as humanoid robots and regular space exploration are a reality, with the Earth’s ecosystem that is hurtling towards an inevitable collapse. Interestingly, all this does not take place in a far-fetched future...
The World Water Woe is real. There is crisis everywhere because our water resources are limited. A lot of water is wasted when we use it carelessly. Therefore, we should conserve it by handling it judiciously. Watch this inspiring movie Drop by Drop featuring the little heroes of class 3, reminding us about the importance of saving water by following the right practices. These practices focus upon three simple ways of preserving water before, and not after, its consumption. For example...