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New hydrogel to help drought-hit crops
Scientists have developed a hydrogel from the gum of guar (cluster bean) that can increase soil moisture and help farmers save their crops in case of water scarcity. 
arathi  posted 9 months 4 weeks ago
Articles

Engaging students for a better tomorrow
It is a rather unusual sight to see a big group of children pay rapt attention to the myriad of slides flashing on the screen. The topic at hand: safe drinking water. The animated and engaging voice of the resource person ensures the effective delivery of the didactic content. 
arathi  posted 10 months 1 week ago
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Horizontal wells bring more water
Hanumanthappa Ramanagar from Kushtagi taluka of Karnataka’s Koppal district has 15 acres of arid land with two deep wells on two sides of the land. One is a “very old” dug well and the other, a tubewell, is just 10 years old. Both were on the verge of going defunct two years ago. “There were many areas of land around us which were facing a similar fate.
arathi  posted 10 months 1 week ago
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Can legal compliance address environmental injustice?
What happens after an environmental law is made or an environmental approval is granted to a project? Are all the safeguards complied with? Do the authorities in charge enforce the environmental regulations and laws proactively? What are the impacts that arise due to non-compliance with environmental regulations? How can affected communities pursue remedies? 
arathi  posted 10 months 1 week ago
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Citizens save polluted Bengaluru lake
Gottigere lake used to be a major source of water for south Bangalore. Its overflow fed several other lakes in the area. It was also the reason why so many people bought apartments nearby.
arathi  posted 10 months 1 week ago
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Farmers’ plight: Leaving land for a lesser life
Scanty rainfall, depleting groundwater levels, barren farmlands and mass migration of farmers to cities for better livelihood--this is the reality of most of rural India today. Many parts of India are witnessing this growing trend of farmers leaving their lands in search of jobs in cities.
arathi  posted 10 months 2 weeks ago
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Monsoon modelling no ‘blind men and elephant’ story
In a few weeks from now, monsoon forecasts will begin. These forecasts are based on calculations made by computer modelling. There have been amazing advances in the modelling of weather and climate. These include the monsoons, El Niño’s, cyclones, the Inter-Tropical Convergence Zone (ITCZ), winds, currents, and so on. Just as even a new car is not perfect, these models are not perfect.
arathi  posted 10 months 2 weeks ago
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Study of ancient eclipses can unveil past climate trends
For a long time now, historians have been using epigraphy to infer the political and economic aspects of the past. In recent times, astronomers have come to realise that it can also be a potent tool to understand the history of astronomy as well as for inferring minute changes in the motion of Earth. 
arathi  posted 10 months 2 weeks ago
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Harappans had knowledge of hydraulic engineering
A team of archaeologists at the Indian Institute of Technology, Gandhinagar, conducted a survey of an unexplored area of around 12,276 square metre at Dholavira using Ground Penetrating Radar (GPR) technique which helps to scan the ground and reveal objects buried underground.
arathi  posted 10 months 2 weeks ago
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Hot springs harbour microbial diversity
Microorganisms can be found in almost every habitat in the environment owing to their capacity to adapt and to survive. Some of them can withstand extremely hot environments such as natural hot springs. Studying such organisms can help in understanding not just why they are so hardy but may also yield new and useful chemicals. 
arathi  posted 10 months 3 weeks ago
Articles

Floating filth mars market on water
The beautiful city of Kolkata had another first to its credit when the much anticipated floating market was inaugurated on January 24 by the chief minister of West Bengal, Mamata Banerjee.
arathi  posted 11 months 2 weeks ago
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Let’s poka-yoke lives of STP operators
Poka-yoke* is a simple Japanese quality principle from the 60s--the use of any automatic device or method that makes it impossible for an error to occur. It is a simple idea. 'Simplicity' always wins!  Now, let's switch to STP operators and poka-yoke! 
arathi  posted 11 months 2 weeks ago
Articles

Conflict around wetland use in West Bengal
Lower Gangetic Plains of West Bengal is blessed with a variety of wetlands ranging from coastal and marine wetlands to inland freshwater lakes, dams and swamps as well as the constructed wetlands in irrigation schemes and sewerage treatment systems and also the mountain wetlands.
arathi  posted 11 months 3 weeks ago
Articles

Weeds to increase with climate change
Weeds are a persistent problem for farmers. A recent assessment by the Directorate of Weed Research shows that India loses crops worth $ 11 billion every year to these farm intruders. 
arathi  posted 11 months 3 weeks ago
Articles

Fishing for survival
There is a reason why water bodies are considered a resource. From the water they provide to the many living organisms they support, water bodies are constantly supplying us with things essential to our survival. They also provide livelihood as this story of some enterprising tribal women in a remote village in Andhra Pradesh exemplifies.
arathi  posted 12 months 1 day ago
Articles

Nispana summit ends on a high note
Sustainable water supply and sanitation is a critical area in India’s urbanisation drive. Various national initiatives are currently underway to tackle the current challenges in water scarcity, the impact of climate change and adaptation, the increasing demand in providing quality water and effective sanitation for the billions of inhabitants.
arathi  posted 12 months 2 days ago
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Delhi’s e-waste problem
Widespread use of digital devices--mobile phones, tablets, computers, smart watches and more--has made electronic waste a new environmental problem. Discarded gadgets result in massive piles of e-waste, which is contaminating soil and groundwater in the national capital, a new study has pointed out. 
arathi  posted 1 year 11 hours ago
Articles

River turns drain, drowns villages in sorrow
Till four decades ago, Ghaggar river in Haryana and Punjab was the lifeline of the villages along its course. Incessant dumping of sewage and industrial effluents, however, has choked the life out of it and has reduced it to a drain or nullah, as locals call it, now.
arathi  posted 1 year 3 days ago
Articles

A step towards better air, water
Four new research and development projects for real-time monitoring of air and water quality were today launched jointly by the Department of Science and Technology (DST) and Corporate Research Council of Intel.
arathi  posted 1 year 4 days ago
Articles

Purify water safely
The use of ultraviolet lamps in water purifiers is common but the presence of mercury in these lamps could be potentially hazardous. Now a group of Indian scientists have developed a mercury-free ultraviolet lamp that can be used in water purifiers.
arathi  posted 1 year 4 days ago

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