{"id":4037,"date":"2023-01-09T10:50:38","date_gmt":"2023-01-09T10:50:38","guid":{"rendered":"https:\/\/8thclass.deltapublications.in\/?page_id=4037"},"modified":"2024-11-27T10:28:41","modified_gmt":"2024-11-27T10:28:41","slug":"s-18-a-air-pollution","status":"publish","type":"page","link":"https:\/\/8thclass.deltapublications.in\/index.php\/s-18-a-air-pollution\/","title":{"rendered":"s-18.a Air Pollution"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Air Pollution<\/strong><\/h2>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-8550df6181cd5d83aa7a08ef336a4ca1\" style=\"color:#74008b\">Key Notes :<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/edurev.gumlet.io\/ApplicationImages\/Temp\/59_a33b0b99-212d-48a5-81a8-5f761b834826_lg.jpg?w=480&amp;dpr=1.0\" alt=\"Fig: Smoke from factories\" style=\"width:444px;height:auto\"\/><\/figure><\/div>\n\n\n<ol class=\"has-large-font-size wp-block-list\">\n<li><strong>Definition<\/strong>: Air pollution refers to the presence of harmful substances in the Earth&#8217;s atmosphere that can be detrimental to human health, the environment, and other living organisms.<\/li>\n\n\n\n<li><strong>Sources of Air Pollution<\/strong>:\n<ul class=\"wp-block-list\">\n<li><strong>Natural Sources<\/strong>: Volcanic eruptions, dust storms, wildfires.<\/li>\n\n\n\n<li><strong>Human Activities<\/strong>: Industrial processes, transportation (cars, trucks, airplanes), burning fossil fuels (coal, oil, and natural gas), agriculture (e.g., pesticides), and construction.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Types of Air Pollutants<\/strong>:\n<ul class=\"wp-block-list\">\n<li><strong>Particulate Matter (PM)<\/strong>: Tiny particles in the air from combustion processes.<\/li>\n\n\n\n<li><strong>Ground-Level Ozone (O3)<\/strong>: Formed by chemical reactions between pollutants in sunlight.<\/li>\n\n\n\n<li><strong>Carbon Monoxide (CO)<\/strong>: Produced by incomplete combustion of fossil fuels.<\/li>\n\n\n\n<li><strong>Sulfur Dioxide (SO2)<\/strong>: Released from burning coal and oil.<\/li>\n\n\n\n<li><strong>Nitrogen Oxides (NOx)<\/strong>: Emitted from vehicles and industrial processes.<\/li>\n\n\n\n<li><strong>Volatile Organic Compounds (VOCs)<\/strong>: Released from paints, solvents, and vegetation.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Health Effects<\/strong>: Air pollution can lead to respiratory problems (like asthma), cardiovascular diseases, lung cancer, and even premature death. Children and the elderly are more vulnerable.<\/li>\n\n\n\n<li><strong>Environmental Impact<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Harm to ecosystems and wildlife.<\/li>\n\n\n\n<li>Acid rain formation due to sulfur dioxide emissions.<\/li>\n\n\n\n<li>Damage to buildings and structures (e.g., historic monuments).<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Control Measures<\/strong>:\n<ul class=\"wp-block-list\">\n<li><strong>Regulations<\/strong>: Laws and regulations to limit emissions from industries and vehicles.<\/li>\n\n\n\n<li><strong>Alternative Fuels<\/strong>: Promoting cleaner energy sources like electric vehicles and renewable energy.<\/li>\n\n\n\n<li><strong>Public Awareness<\/strong>: Educating people about the consequences of air pollution and how to reduce their contribution.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Global Concern<\/strong>: Air pollution is a global issue that affects not only individual countries but the entire planet. International cooperation is essential to address it effectively.<\/li>\n\n\n\n<li><strong>Personal Actions<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Reduce vehicle use by carpooling, using public transport, or biking.<\/li>\n\n\n\n<li>Conserve energy to reduce emissions from power plants.<\/li>\n\n\n\n<li>Plant trees and support green initiatives to improve air quality.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Monitoring and Measurement<\/strong>: Air quality is measured using instruments like air quality index (AQI) monitors, which provide real-time information about pollution levels in specific areas.<\/li>\n\n\n\n<li><strong>Future Challenges<\/strong>: As the world continues to industrialize and urbanize, controlling air pollution becomes increasingly important to protect human health and the environment.<\/li>\n<\/ol>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\"><strong>Let&#8217;s practice!<\/strong><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/82792\/685\/133\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-153.png\" alt=\"\" class=\"wp-image-8000\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-153.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-153-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-153-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/81657\/701\/339\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-151.png\" alt=\"\" class=\"wp-image-8001\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-151.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-151-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-151-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Air Pollution Key Notes : Let&#8217;s practice!<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-4037","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_hostinger_reach_plugin_has_subscription_block":false,"_hostinger_reach_plugin_is_elementor":false,"_links":{"self":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/4037","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=4037"}],"version-history":[{"count":11,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/4037\/revisions"}],"predecessor-version":[{"id":19090,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/4037\/revisions\/19090"}],"wp:attachment":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=4037"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}