Posts

প্ৰাকৃতিক পৰিৱেশত

Image
  প্ৰাকৃতিক পৰিৱেশত প্ৰাকৃতিক পৰিৱেশত প্ৰদূষণ হ’ল প্ৰাকৃতিক পৰিৱেশত দূষিত পদাৰ্থৰ প্ৰৱেশ ঘটাৰ ফলত হোৱা পৰিৱেশৰ বিৰূপ পৰিবৰ্তন। প্ৰদূষণে যিকোনো পদাৰ্থ (কঠিন, তৰল বা গেছ) বা শক্তি (যেনে তেজস্ক্ৰিয়তা, তাপ, শব্দ বা পোহৰ)ৰ ৰূপ ল’ব পাৰে। প্ৰদূষণৰ কাৰক অৰ্থাৎ প্ৰদূষকসমূহ বিদেশী পদাৰ্থ/শক্তি বা প্ৰাকৃতিকভাৱে পোৱা যিকোনো কাৰক হ’ব পাৰে। প্ৰাকৃতিক পৰিঘটনাৰ ফলত পৰিৱেশ প্ৰদূষণ হ’ব পাৰে যদিও প্ৰদূষণ শব্দটোৱে সাধাৰণতে মানুহৰ কাৰ্যকলাপৰ দ্বাৰা পৰিৱেশ দূষিত হোৱাকে বুজায়। প্ৰদূষণক প্ৰায়ে বিন্দু উৎস (point source pollution) বা অবিন্দু উৎস প্ৰদূষণ (nonpoint source pollution) হিচাপে শ্ৰেণীভুক্ত কৰা হয়। ২০১৫ চনত প্ৰদূষণৰ ফলত সমগ্ৰ বিশ্বতে ৯০ লাখ লোক (প্ৰতি ছয়জনৰ ভিতৰত এজন)ৰ মৃত্যু হৈছিল।২০১৯ চনতো এই হাৰ একেই থাকিল বুলি জনা যায়। ইয়াৰে ৩ ⁄ ৪ শতাংশৰ মৃত্যুৰ কাৰণ আছিল বায়ু প্ৰদূষণ। আমেৰিকা যুক্তৰাষ্ট্ৰৰ পৰিৱেশ সুৰক্ষা প্ৰশাসনে দিয়া প্ৰদূষণৰ সংজ্ঞা অনুসৰি "পানী, মাটি বা বায়ুত থকা যিকোনো পদাৰ্থ যিয়ে পৰিৱেশৰ প্ৰাকৃতিক গুণগত মান অৱনমিত কৰে, দৃষ্টিশক্তি, ৰুচি বা ঘ্ৰাণ ...

Water Pollution

Image
-MainaGam Water pollution is a major environmental challenge in India, impacting the health of its people, economy, and biodiversity. The problem stems from a combination of rapid industrialization, urbanization, agricultural runoff, and poor waste management systems. Water Pollution-Writer Maina Gam Key Causes of Water Pollution in India 1. Industrial Waste:    Factories and industries discharge untreated or partially treated waste, including toxic chemicals, heavy metals, and dyes, into rivers and lakes. Major industrial sectors like textiles, pharmaceuticals, paper, and tanneries are responsible for a large portion of water pollution. The Ganges River, for example, receives over a billion liters of untreated sewage and industrial waste daily. 2.Agricultural Runoff:    Agriculture is the backbone of India's economy, but the excessive use of chemical fertilizers and pesticides leads to significant water contamination. During the monsoon season, rainwater carries th...

Environmental pollution

Image
 By Maina Gam Abstract Our environment faces several problems and many of these seem to be worsening with time, bringing us into a time of a true environmental crisis. Therefore enhancing public awareness of these problems is essential to lessen their detrimental effects. Environmental pollution is increasing day by day and imposing severe and irreversible damage to the world. It is of different types: air, water, soil, noise, light, etc. Urbanization and technological development have put the survival of the planet in danger by degrading the quality of the environment’s essential elements—air, water and soil—due to the release of hazardous waste from factories like plastics, heavy metals, nitrates, burning of fossil fuels, acid rain, oil spills and industrial toxins. Urbanization and overpopulation have increased city noise and light pollution. Polluting agents are exponentially increasing in modern society, disturbing the ecological balance and posing extinction problems for diff...

What are the types of water quality?

Image
  What Are The Types Of Water Quality? Water Quality - Maina Gam Jump to a section Treated recreational water Natural water Drinking water Water fit for human consumption is called potable water or drinking water. Water that is not fit for drinking but is not harmful for humans when used for recreational purposes may be called various names including treated recreational water or natural water. In Western Australia different types of water are regulated or monitored by different government departments. Treated recreational water Aquatic facilities All aquatic facilities, as defined in the Health (Aquatic Facilities) Regulations 2007, must close. Pool use for essential medical / allied health requirements remain exempt.  Backyard swimming pools in a residential property are not considered a public swimming pool, however only members of the household would be permitted to access it. Natural water Beaches Beaches are monitored by the Department of Health with support from local g...

Water Resources

Image
Water Resource    Water resources encompass the freshwaters of the world, which include precipitation falling as rain or snow, infiltrating into soils and groundwater aquifers, running off into stream networks, evaporating from lakes and transping from vegetation, and flowing back into the deltas and estuaries along the continental margins. The geographic distribution and flow of freshwaters (analyzed through water-budget studies) affect supplies available for human use, and associated problems of surplus, scarcity, and pollution. Psychological and behavioral research has focused on perception of water problems, flood risks, drought hazards, and decision-making models, while phenomenological research has explored deeper meanings of water experience. During the twentieth century, social scientific research on water evolved from description of regional water problems (e.g., in the Tennessee Valley Authority); to economic and institutional analyses of water rights, water markets,...