APSC Prelims and Mains Notes, APSC Test Series
Disaster manangement: some case studies Aspects of Disaster Management Disaster Prevention Disaster Prevention is the concept of engaging in activities which intend to prevent or avoid potential adverse impacts through action taken in advance, activities designed to provide protection from the occurance of disasters. Disaster Preparedness Disaster preparedness activities embedded with risk reduction … Read more
Water Resources Rainfall: With an average annual rainfall of 1,170 mm, India is one of the wettest countries in the world. At one extreme are areas like Cherrapunji, in the northeast, which is drenched each year with 11,000 mm of rainfall, and at the other extreme are places like Jaisalmer, in the west, … Read more
Energy Efficiency Energy efficiency, means using less energy to provide the same level of energy. It is therefore one method to reduce human greenhouse gas emissions. For example if a house is insulated, less energy is used in heating and cooling to achieve a satisfactory temperature. Another example is installing fluorescent lights or skylights, instead … Read more
Eco friendly Technologies Rainwater harvesting technology Harvested rainwater can provide a source of alternative water to federal facilities. Alternative waters are sustainable sources of water, not supplied from fresh surface water or groundwater, that offset the demand for freshwater. Rainwater harvesting captures, diverts, and stores rainwater from rooftops for later use. Typical uses of rainwater … Read more
Climate justice : a global phenomenon The heart of climate justice is the understanding that the urgent action needed to prevent climate change must be based on community-led solutions and the well-being of local communities, Indigenous Peoples and the global poor, as well as biodiversity and intact ecosystems. Climate justice is the understanding … Read more
Afforestation and deforestation Afforestation Afforestation is the process of planting trees, or sowing seeds, in a barren land devoid of any trees to create a forest. The term should not be confused with reforestation, which is the process of specifically planting native trees into a forest that has decreasing numbers of trees. While reforestation … Read more
The role of public servants in disaster management Role of state administration At the state level, disaster response, relief and rehabilitation are handled by Department of Relief and Rehabilitation. The focus of this department has generally been provision of post-calamity relief, The Chief Secretary is responsible for relief operations in the state and the Relief … Read more
Pursuit of Sustainable Development Goals (SDG’s) The Sustainable Development Goals are the blueprint to achieve a better and more sustainable future for all. They address the global challenges we face, including those related to poverty, inequality, climate, environmental degradation, prosperity, and peace and justice. The Goals interconnect and in order to leave no … Read more
Science and economics of climate change Science of climate change The atmosphere functions as a ‘greenhouse’ and insulates the earth from extremes of temperature. The greenhouse effect works in the following manner. Of the incoming short-wave radiation from the sun, one-third is reflected, and the atmosphere, ocean, ice, land, and biota absorb the … Read more
Impact of mining on forest and environment Mining activities, including prospecting, exploration, construction, operation, maintenance, expansion, abandonment, decommissioning and re-purposing of a mine can impact social and environmental systems in a range of positive and negative, and direct and indirect ways. Mining can yield a range of benefits to societies, but it may also cause … Read more