Black Blue Modern Water Conservation Presentation_shivshankar.pdf

rain water harvesting

1. PRESERVING LIFE
ON EARTH
WATER CONSERVATION:
The Importance of Water Conservation
Shiv Shankar V Nair
7-Q

2. The Importance
of Water
Water is critical for all life on Earth. It supports
ecosystems, agriculture, and human survival.
Scarcity and pollution harm global health and
economy.
Water is an inorganic compound with the
chemical formula H₂O. It is a transparent,
tasteless, odorless, and nearly colorless
chemical substance. It is the main constituent
of Earth's hydrosphere and the fluids of all
known living organisms.

3. Understanding
Water Footprint
Water footprint measures total
water used for goods and
services. Examples: food,
clothing, electronics.
Knowing this helps
manage water
consumption.

4. Sustainable Water
Management
Efficient use, conservation, and
replenishment are key.
Techniques: rainwater
harvesting, greywater reuse,
efficient irrigation.
Critical for long-term water
availability.

5. Water Conservation and its Ways
Water conservation is a broad category that covers simple ways to save water at home to
complex, long term measures taken to preserve water on a larger scale. 70% of the
earth's surface is covered with water, though it is not entirely useful to humans. 97% of
saltwater covering oceans is not drinkable for humans and the remaining 3% is mostly
frozen in glaciers. 
Water conservation is the practice of an efficient usage of water by reducing unnecessary
wastage of the same. The importance of water conservation becomes even more
necessary as there is a limited source of freshwater that is beneficial for all human beings
for a Healthy lifestyle. The freshwater available for use is unevenly distributed. Human
activities are polluting the water sources threatening the survival of living beings. So,
water conservation focuses on the concept of “save water and save a life”.

6. Water Scarcity
Water scarcity is a pressing issue globally, and India is no
exception. With 18% of the world's population but only 4% of its
water resources, the country faces a significant water crisis. In
recent years, India has launched numerous water conservation
projects aimed at mitigating water shortages, ensuring efficient
water use, and promoting sustainable water management
practices. These projects encompass everything from groundwater
management to community-driven initiatives, rainwater
harvesting, and cutting-edge technology.

7. Understanding the Water Crisis in India
India is facing a severe water crisis, with groundwater depletion, erratic monsoons, and
increasing demand for water posing major challenges. According to the NITI Aayog,
nearly 600 million Indians face high to extreme water stress, and about 200,000
people die every year due to inadequate access to safe water.
Key Statistics on Water Scarcity in India:
21 Indian cities, including Delhi, Bengaluru, and Chennai, are likely to run out of
groundwater by 2030, according to a 2018 NITI Aayog report.
Groundwater levels in India have decreased by 61% between 2007 and 2017.
The agricultural sector, which accounts for nearly 80% of water usage, faces severe
water shortages, affecting crop yields and rural livelihoods.
Water conservation, therefore, isn't just an environmental issue, it's a matter of
survival and economic growth. As water becomes an increasingly scarce resource,
the need for sustainable conservation practices has become more urgent.

8. Rainwater Harvesting
Rainwater harvesting is the process of
collecting and storing rainwater for later
use. This method helps reduce reliance
on traditional water sources and
promotes water conservation.

9. Key points about rainwater harvesting
Collection Methods: Rainwater is typically collected from rooftops and other surfaces. The water
is then directed into storage systems like tanks, cisterns, or even underground reservoirs .
Uses: The harvested water can be used for various purposes, including irrigation, gardening,
flushing toilets, and even for drinking after proper treatment .
Benefits:
Water Conservation: Reduces the demand on traditional water supply systems.
Reduces Flooding and Erosion: By capturing rainwater, it helps in reducing runoff, which can
cause flooding and erosion.
Groundwater Recharge: Helps in replenishing groundwater levels .
Implementation in Bengaluru: In Bengaluru, rainwater harvesting is encouraged to address water
shortages. Many homes and buildings have installed systems to collect and utilize rainwater
efficiently .