Notes and Study material for Exams
Carbon dioxide (CO2) makes up the largest share of “greenhouse gases”. The addition of man-made greenhouse gases to the Atmosphere disturbs the earth’s radiative balance. This is leading to an increase in the earth’s surface temperature and to related effects on Climate, sea level rise and world agriculture. The primary sources of greenhouse gas emissions are: Transportation – … Read more
Management of land and water Resources LAND RESOURCE MANAGEMENT IN INDIA Land and water have been the basic Elements of life support system on our planet since the dawn of civilization. All great civilizations, flourished where these resources were available in plenty and they declined or perished with the depletion of these resources. In recent … Read more
Fighting for Our Future: A Guide to Climate Change Organizations The climate crisis is a global emergency, demanding urgent action from individuals, governments, and organizations alike. While the task seems daunting, a vast network of dedicated organizations is working tirelessly to address this challenge. This article serves as a guide to some of the most … Read more
Professor Freeman J. Dyson, of Institute of Advanced Studies, Princeton, in his book “Infinite in all Directions,” had this to say about Technology: “Technology is a gift of God. After the gift of Life, it is perhaps the greatest of God’s gifts. It is the mother of civilization, of Arts and of Sciences. Technology … Read more
Engineering Plastics Engineering plastics are a group of plastic materials that have better mechanical and/or thermal properties than the more widely used commodity plastics (such as polystyrene, PVC, polypropylene and polyethylene). Being more expensive, engineering plastics are produced in lower quantities and tend to be used for smaller objects or low-volume applications (such as mechanical … Read more
The House Price Index: A Guide to Understanding Housing Market Trends The housing market is a complex and dynamic ecosystem, constantly fluctuating with factors like interest rates, economic conditions, and demographic shifts. Understanding these fluctuations is crucial for both homeowners and potential buyers, and the House Price Index (HPI) serves as a vital tool for … Read more
ECOLOGY and Ecosystem Ecology The scientific study of the processes influencing the distribution and abundance of organisms, the interactions among organisms, and the interactions between organisms and the transformation and flux of energy and matter. Ecosystem Ecosystem, the complex of living organisms, their physical Environment, and all their interrelationships in a particular unit … Read more
Sources of Energy: Conventional and Nonconventional Sources – Energy is one of the most important component of economic Biomass. These substances can be burnt to produce heat energy which can be used in the generation of electricity. Thus, the energy produced from the biomass is known as biomass energy. There are three forms of biomass: … Read more
The Unfolding Crisis: Understanding the Causes and Effects of Climate Change The Earth’s climate has always been in a state of flux, undergoing natural cycles of warming and cooling. However, the current rate of change is unprecedented, driven by human activities that are altering the delicate balance of our planet’s atmosphere. This rapid warming, known … Read more
An increase in the Average temperature of Earth’s near surface air and Oceans since the mid-20thcentury 4thassessment report of IPCC: global temperature increased 74+18 degree C during the 20thcentury. Caused by greenhouse gases Water vapour, Co2, Methane, Nitrous Oxide, Ozone, CFCs (in order of abundance) Since the Industrial revolution, the burning of fossil fuels has increased … Read more