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Browsing Category
Pollution
From Protest to River Rejuvenation: How India’s River Pollution Movements Have Changed
India's struggle with river pollution has evolved from public protests and grassroots campaigns into a broader movement involving science, law, government programmes and community participation. From the Ganga Action Plan and Yamuna…
Who Is Polluting the Yamuna?
The Yamuna does not follow state borders, and neither does its pollution. Wastewater from different cities, industrial discharge, drainage networks and tributaries contributes to pollution along different stretches of the river. While Delhi…
How Loud Is Your Neighbourhood?
Noise pollution is often reduced to a single number on a decibel meter, but that number does not always capture the full reality of urban sound. The duration, frequency, timing and intensity of noise can all influence exposure, while short,…
Can Pollution Make Antibiotics Stop Working?
Antibiotic resistance is not only created inside hospitals. Wastewater, agricultural runoff, pharmaceutical pollution and poorly managed waste can carry antibiotics, resistant bacteria and resistance genes into the environment. These…
Ganpati Visarjan and the Environment: Can Faith and Clean Water Go Together?
Ganpati Visarjan is a deeply meaningful religious tradition, but the materials used in modern idol making can create environmental problems when they enter rivers, lakes and ponds. Plaster of Paris, synthetic paints, plastic and thermocol…
The Chemistry of Smog: What Happens Above a City?
Smog is not simply smoke hanging over a city. It is the result of a complex chain of atmospheric reactions in which gases released from vehicles, industries and other sources interact with sunlight and each other. Nitrogen oxides and…
How Air Pollution Travels Across State Boundaries
Air pollution does not respect state borders. Smoke from crop fields, emissions from industries, vehicles and dust can be carried by winds across hundreds of kilometres, while atmospheric chemistry can transform these pollutants as they…
When the Rains Turn Roads into Dumping Grounds
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When the monsoon arrives, roadside garbage becomes more than an eyesore. Rainwater spreads plastic, food waste and other discarded materials across streets, blocks drains and creates stagnant pools where mosquitoes can breed.…
What Does One Trip Really Cost Nature?
Tourism connects people with nature, but every journey leaves an environmental footprint. Transportation, accommodation, food, water consumption and waste all require energy and natural resources. Large numbers of visitors can also place…
Should Carbon Taxes Be Mandatory for High-Polluting Companies?
Carbon taxes place a financial cost on greenhouse-gas emissions and can encourage high-polluting companies to reduce fossil-fuel use, improve efficiency and invest in cleaner technologies. Evidence indicates that carbon pricing can…