Notes and Study material for Exams
The Greenhouse Effect is a natural process that warms the Earth’s surface. When the Sun’s energy reaches the Earth’s Atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases. It is the process by which radiation from a planet’s atmosphere warms the planet’s surface to a … Read more
Climate Change It is the long term change in the statistical distribution of weather patterns over periods of time Though it has been happening naturally for millions of years, in recent years it has accelerated due to anthropogenic causes and has been causing Global Warming. UNFCCC defines Climate Change as – “a change of climate … Read more
The major causes of the Environmental Degradation are modern Urbanization, industrialization, over-Population Growth, deforestation etc. Environmental pollution refers to the degradation of quality and quantity of natural Resources. Mahatma Gandhi’s principle of “enoughness” in his saying “the earth provides enough to satisfy every persons need but not for every person’s greed” According to World Commission … Read more
National Action plans on Climate Change Climate Change is one of the most critical global challenges of our times. Recent events have emphatically demonstrated our growing vulnerability to climate change. Climate change impacts will range from affecting agriculture – further endangering Food Security – to sea-level rise and the accelerated erosion of coastal zones, increasing … Read more
Soil fertility refers to the ability of a soil to sustain agricultural plant Growth, i.e. to provide plant habitat and result in sustained and consistent yields of high quality. A fertile soil has the following properties:- It is rich in nutrients necessary for basic plant nourishment. This includes nitrogen, phosphorus and potassium. It consists of adequate Minerals such as boron, … Read more
Ethanol Blended Petrol (EBP) Programme: Fueling India’s Green Future India, with its burgeoning population and rapidly growing economy, faces a significant challenge in meeting its energy demands while simultaneously mitigating the environmental impact of fossil fuel consumption. The Ethanol Blended Petrol (EBP) Programme, a strategic initiative aimed at blending ethanol with petrol, emerges as a … Read more
Environmental influences are important both at the prenatal and postnatal stages of Human Development. At the prenatal stage, when a fetus is in the mother’s womb, internal or external harmful agents, such as certain legal or illegal drugs, alcohol, lead and pollutants can harm the unborn baby’s development. The mother’s Nutrition, diseases and emotional Stress … Read more
The formation and evolution of Earth’s AtmosphereAtmosphere is a complex topic with many different theories and hypotheses. Some of the most important subtopics include: The origin of the atmosphere: How did the atmosphere form in the first place? The Composition of the Atmosphere: What gases are in the atmosphere and how have they changed over … Read more
Reducing Emissions from Deforestation and Forest Degradation (Redd) is a set of steps designed to use market/financial incentives in order to reduce the emissions of greenhouse gases from deforestation and forest degradation. Its original objective is to reduce Green House Gases but it can deliver “co-benefits” such as INFRASTRUCTURE. Water Pollution: Deforestation can lead to … Read more
The Kyoto Protocol has put in place three flexibility mechanisms to reduce emission of Green House Gases. Although the Protocol places maximum responsibility of reducing emissions on the developed countries by committing them to specific emission targets, the three mechanisms are based on the premise that reduction of emissions in any part of the globe … Read more