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...
The Yamuna River is the largest tributary of the Ganga. It travels barely a distance of 22 km through Delhi. However, this region contributes to about 80 per cent of its total pollution load. Currently, this stretch discharges waste water from almost 22 drains into the river. Untreated effluents, containing toxins and chemicals, released from houses and industries creates froth (white foam) on the river’s surface. Algae, in addition, prevents sunlight from venturing into the depths of this river. Plus, low water level in the river causes concentration of these pollutants…
Stockholm Junior Water Prize (SJWP) is considered the world’s most prestigious award offered for a research project on water. It is declared every year since 1997 as a part of World Water Week. High school students, aged 15-20 years, who have developed projects solving some of the world’s most pertinent water challenges are eligible to participate in it. Each year, thousands compete in the national competitions held in almost 40 countries across the globe, and hope to represent their countries in World Water Week...
Chintu and Chinki were excited to go out for their summer vacations. They were bored of staying at home all through the lockdown. Since their grandparents lived nearby, they had planned to visit their village Tikli. Chintu and Chinki had done all their packing and rode off with their Mom and Dad to the village. As they came close to Tikli, they saw some women carrying pots of water on their heads, walking on the roadside...
