Save trees save earth

This presentation guides you about the importance of trees

1. Group Members Bushra Ameer 2013-PE-08 Alvia Asif 2013-PE-14 Natasha Ashraf 2013-PE-15 Hira Ehsan 2013-PE-26

2. Save Trees Save Earth

3. Significance Of Trees Provide shelter Satisfy our hunger Medical values Control environment temperature Clean our environment Great Donors Priceless Work Endlessly

4. TREES-A saving for Homeowners Save 56% of annual air conditioning cost Each large front yard increase about 1% to sale price Large specimen trees can add 10% or more to property values

5. TREES-Reduce Air Pollutants 100 trees remove 53 tons of CO 2 per year 430lbs of pollutants 72lbs of ozone 81lbs of particulates

6. TREES-Source of Oxygen According to US department of agriculture One acre of forest absorbs 6 tons of CO 2 and puts out 4 tons of oxygen. This is enough to meet the annual needs of 18 people.

7. Deforestation Massive deforestation during last 20 years 30% of territory was covered with forests in 1990 Only 6% territory is covered with forests now Average forest coverage (25-30)%

8. Causes Of Deforestation Enhance Business For land Flooding Paper Consumption

9. Effects Of Deforestation

10. Paper Consumption 25,00,000 trees are used for publishing books 850 million trees are cut down for making 50 million tons of paper

11. Steps To Reduce Paper Consumption Recycle paper E-bills instead of printed statements Use electronic books Use ceramic pads for writing

12. How to save trees????? Deforestation must be banned Reduce paper consumption Provide bio gas to rural people Spread about the importance of trees to ignorant Plant more and more trees