The process of increasing agricultural production by making use of modern machines and techniques is called the ‘Green Revolution’. The technology helped in increasing agricultural production across the globe, especially in the developing world, between 1950 and the late 1960s. HYV (high-yielding varieties) seeds, fertilizers, and irrigation methods helped in increasing production of food grains. […]
‘Soil’ is the upper layer of the mantle rock. It consists of tiny particles and humus which support the growth of plants. The soil body is called the pedosphere. It is a mixture of minerals, gasses, liquids, and organic matter which sustain life together. The four major functions of soil are: It acts as a […]
Rising ‘pollution’ is one of the major challenges in the modern world. Pollution poses a major threat to our ecosystem. It is important to address the issue of pollution for ensuring a bright future for the upcoming generation. Environmental pollution can adversely impact human health, it can cause several respiratory infections. Allergies, asthma, eye irritation […]
Giant waves caused by earthquakes or volcanic eruptions under the sea are called Tsunamis. The term ‘Tsunami’ is derived from the Japanese language which means harbor wave. As these waves travel inland, the depth of the ocean keeps decreasing, helping them build up their height. They travel as fast as jet planes over deep waters, forcing […]
Monsoons dominate India’s climate. They can be defined as strong, violent winds which change direction with the season. Monsoon winds tend to blow from cold to warm regions. During winters they blow from the land towards the sea and in summers they blow from the sea towards the land. Indian winters are mostly hot and […]
India has ‘abundant’ biodiversity in the form of forests, wetlands and marine areas. The country comprises habitats including tropical rainforest, alpine vegetation, temperate forests and coastal wetlands. Our nation has fertile river plains, high plateaus and huge rivers including the Ganges, Brahmaputra and Indus. India is rich in biodiversity, hence it displays great diversity in […]
Global Hunger Index is a tool which is used for measuring and tracking hunger at global, regional and national levels. GHI allows us to compare levels of hunger between countries and regions. Immediate help should be provided to the areas of the world where hunger levels are the highest. How is GHI calculated? It is […]
Climate change can be defined as significant variation of average weather conditions over several decades or more. It may get warmer, wetter, or drier over time. It is the long-term trend which differentiates natural weather variability from climate change. Rising floods, raging storms and scorching heat are all results of climate change. Effects of climate […]
Environmental degradation is the major issue that we are facing today. each second environment is polluted due to various human activities. Increased population growth and industrial and agricultural activities contribute to environmental pollution. The major environmental issues are:- Climatic Change Climatic change is the major issue we are facing in the past few years. Increase […]
