Online Learning Portal
All about Droughts A prolonged period of total dryness is called a drought. The globe over, it is possible. Uneven distribution, failing monsoons, and a lack of water are the causes of this. When there is nearly no water or very little water available owing to different factors such as insufficient precipitation, excessive water use, a high rate of evaporation, or excessive groundwater use, the situation is referred to as a "drought." When rain is absent or inadequate for an extended period of time, it creates a substantial hydrologic (water) imbalance that leads to water shortages, agricultural damage, decreased streamflow,…
18 November, 2022
Land use change
URBAN HEAT ISLAND Recently a picture captured by NASA showed that how nighttime temperature in Delhi and adjoining villages were above 35 degrees Celsius which is also peaking at about 39 degrees Celsius, while the rural field nearby had cooled to around 15 degrees Celsius. The phenomena of urban heat island are growing in capital mainly because of escape in green infrastructure. It has been observed that cities and towns are getting warmer than the surrounding rural areas mainly due to loss of green cover, increasing concretization, increased use of cooling equipment and vehicular pollution. WHAT IS URBAN HEAT ISLAND?…
17 June, 2022
Land use change
Illegal Farming in Wenlock Downs Over 100 hectares of the total expanse of 1,500 hectares of the last remaining grasslands in the Wenlock Downs of Nilgiris is being slowly eroded by Todas and Kotas. This is because many of the Todas and Kotas have leased the “forest lands” to non-tribals in exchange for a small fee. There is also the question of the Forest Rights Act in this area, as to whether it would supersede the rights acknowledged under the Toda Patta lands, or whether it offers additional protection. Wenlock Downs Wenlock Downs Reserve Forest is a crucial wildlife corridor,…
19 March, 2021
Land use change