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There’s no better gift, Daan Toilet!
Prime Minister Narendra Modi’s pet project, Swachh Bharat that envisages an open defecation-free India by the year 2019 has witnessed many local administrations take drastic measures to get people to b
arathi  posted 6 months 1 week ago
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Nanomaterial from seaweed can clean toxic water
Treatment of wastewater containing industrial dyes and toxic heavy metals is a major environmental problem as available treatment techniques are not very efficient and environment-friendly. Now a team of Indian scientists has developed a nanomaterial drawn from seaweed for effective treatment of toxic wastewater without using any chemicals.
arathi  posted 6 months 1 week ago
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New technique to monitor coastal landforms
Indian scientists have developed a remote sensing technique that uses satellite data to delineate between various coastal landforms like beaches, mangroves and marshes. This method can help monitor and understand impacts of natural disasters as well as human activities on coastal ecosystem.
arathi  posted 6 months 2 weeks ago
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How marine algae impact global climate, Indian monsoon
In a few weeks from now, the seasonal forecast for the Indian summer monsoon will be announced. Among various parameters that determine the fate of the monsoon is the sea surface temperature, more specifically, the contrast between land and sea temperatures. But what are the parameters that determine sea surface temperatures?
arathi  posted 6 months 2 weeks ago
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Climate change and its impact on water resources
The issue of economic development is intrinsically connected with global warming. The temperature of the planet rises because of indiscriminate exploitation of its resources and destruction of the environment. The effect of global warming further intensifies temporal and spatial variations in precipitation, melting of snow and water availability. 
arathi  posted 6 months 2 weeks ago
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Filthy fountains spread dengue fear
West Bengal’s tryst with dengue in 2017 could not have been more deadly. Around 13000 people were affected and nearly 100 people lost their lives to the disease.
arathi  posted 6 months 2 weeks ago
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Anthropogenic warming and climate change
Here is more evidence why we need to worry about climate change. A new study says extreme rainfall events are on the rise in India and attributes the trend to man-made emissions, what scientists call anthropogenic warming. Not just this, the trend is likely to become more prominent by mid-century, particularly in southern and central India.
arathi  posted 6 months 3 weeks ago
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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 6 months 3 weeks ago
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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 7 months 15 hours 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 7 months 1 day 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 7 months 2 days 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 7 months 6 days 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 7 months 1 week 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 7 months 1 week 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 7 months 1 week 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 7 months 1 week 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 7 months 2 weeks ago
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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 8 months 1 week 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 8 months 1 week ago
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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 8 months 2 weeks ago

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