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ctet 2025 | scarcity of water | new ncert evs | water crisis | environmental studies |learn constant

Welcome to LEARN CONSTANT, the most trusted platform for CTET 2025 preparation based on New NCERT + NEP 2020 approach.
In today’s complete EVS session, we cover an important, high-weightage, real-life–based topic:

🌍 “Scarcity of Water – Causes, Effects, Solutions, EVS Explanation + Pedagogy (CTET 2025)”

This topic appears in NCERT EVS Class 3, 4, and 5, and is repeatedly asked in CTET because water is the foundation of environmental awareness, sustainability, resource management, and responsible behaviour — all key areas of CTET EVS Content + Pedagogy.

💧 PART 1: What Is Water Scarcity?

Water scarcity means not having enough water for drinking, domestic work, agriculture, sanitation, and daily life needs.
It is a condition in which:

Water availability becomes limited

Water sources dry up

People struggle for drinking water

Animals suffer

Plants die

Daily life becomes difficult

In India, many regions—especially in summers—face water shortage due to environmental, human, and geographical factors.

🌡️ PART 2: Causes of Water Scarcity

This is a high-frequency CTET topic. New NCERT emphasises real causes + local examples.

1️⃣ Less Rainfall

Many parts receive very low rainfall, causing drying of wells, ponds, and rivers.

2️⃣ Drought Conditions

When a region gets no rain for many months, severe drought occurs.

3️⃣ Excessive Use of Water

People waste water in:

washing vehicles

long showers

leaking taps

over-irrigation

4️⃣ Population Growth

More people → more need for water → pressure on water resources.

5️⃣ Deforestation

Cutting trees reduces rainfall and increases soil erosion.

6️⃣ Pollution of Water Bodies

Rivers and lakes become unusable, leading to less fresh water.

7️⃣ Climate Change

Global warming changes rainfall patterns, increasing droughts.

8️⃣ Poor Water Management

Improper planning, leaking pipelines, and lack of storage structures cause scarcity.

FINAL MESSAGE

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