It is raining in Mumbai. The roads, streets and squares there are all submerged in water. The surging Arabian Sea keeps Marine Drive drenched. But due to waterlogging, Mumbai’s Heartline i.e. local train stops. Even the best buses face difficulty in running. At many places, pictures of vehicles stuck in water emerge. Similar situation happens in Delhi also. The national capital begins to suffocate with just a little rain.
But why doesn’t this happen in big cities like London? Which red feathers are there? First let us know the problems of Delhi and Mumbai. After this, read about such a system in cities like London, which does not cause waterlogging and water logging.
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Problem of Delhi and Mumbai…
Inadequate infrastructure… Both Delhi and Mumbai are struggling with very ancient and inadequate drainage systems. These systems cannot handle heavy rainfall conditions. Therefore a serious flood like situation arises. Every time it rains, there are three to four times of waterlogging and flooding. Because sewerage systems do not work.
Lack of rainwater harvesting… Some work of rainwater harvesting has started in both Mumbai and Delhi cities. But this is not on a wide scale. Nor has this system been linked with city planning. Whereas in London this system has been in force since the very beginning. If this is implemented then the city can conserve the right amount of water.
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Urbanization and climate change… Due to rapid urbanization the areas that can absorb water have reduced. Wetlands and green spaces are decreasing. Due to climate change, it rains more frequently and at any time. This puts a lot of pressure on the existing drainage system.
Limited government support… Like the London government, the government policies in India are lacking. The government should plan to provide large-scale awareness campaigns and incentives for rainwater harvesting. So that those who want to do such things get encouragement. By installing these systems in buildings, water management in the city will become easier.
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What’s better with London…
Rainwater harvesting… Full attention has been paid to rainwater harvesting at maximum places in London. This technology has been incorporated in buildings. Rain water is stored and reused. Take the Museum of London, for example. There is a terrace of 850 square meters. Here 25 thousand liters of water is harvested during rains. That means it is stored. Which is used in toilet flushing and irrigation.
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Sustainable Urban Drainage System… Stormwater management techniques are better implemented in London. This reduces the load on the sewerage system. Stormwater management can ensure timely disposal of rainwater. Or you can collect it at one place and use it again. Due to this, rain water does not enter the sewerage system unnecessarily. Rather, it flows into clean water sources without mixing with the sewer.
Laws and incentives… The London government heavily promotes rainwater harvesting. Strict rules have been made for that. This has to be implemented in every new building.