Marine Pollution 03:43 Marine Pollution : Marine pollution can be defined as the introduction of substances to the marine environment directly or indirec...
Soil Pollution 03:35 Soil Pollution Introduction: We can no more manufacture a soil with a tank of chemicals than we can invent a rain forest or produc...
Groundwater pollution: 03:28 Groundwater pollution: While oil spills are highly visible and often get a lot of media attention, a much greater threat to hum...
Water Pollution in India 03:17 Our liquid planet glows like a soft blue sapphire in the hard-edged darkness of space. There is nothing else like it in the solar syste...
Air pollution in India 03:05 Air pollution in India: The World health Organization (WHO) which rates only mega cities of the world has rated Delhi th...
Effects of air pollution on living organisms 23:03 Effects of air pollution on living organisms: Our respiratory system has a number of mechanisms that help in protecting us from air poll...
Pollution types 22:51 Pollution is the effect of undesirable changes in our surroundings that have harmful effects on plants, animals and human beings. This o...