Global Issues: Ozone Depletion, Global Warming and Acid Rain

Introduction

Air pollution is exerting increasing impact on the environment. Humans have been altering the chemistry of the atmosphere on a global scale. These changes may:
Modify the global climate
Threaten the health of human beings
Create many environmental problems such as
Acid rain
Depletion of ozone layer
Global warming
Seriously upset the global ecosystem

What is ozone depletion?

Ozone is a highly reactive gas comprising ....etc

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VEHICLE GAS DETECTION WITH AUTOMATIC SAFETY WARNING SYSTEM USING GSM TECHNOLOGY
PRESENTED BY,
S.ANANDHI,
C.SUJITHA,
S.K.VIDHYA.
INTRODUCTION
The more you drive your car, the more you are at risk.
Cars with over 100,000 miles on them are very dangerous.
white gas resembling water vapor blows out of the air vents in the car. This is the gas in its more concentrated form.
Causes Lung Cancer and Alzheimerâ„¢s disease
Affects included extreme drowsiness, memory loss, and not being able to concentrate on driving.
Need o ....etc

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Global warming environment Project in hindi for 12th standard ....etc

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Submitted by
DHINESH NS
VELMURUGAN P
VENKATARAMANAN S


ABSTRACT
Our Project proposes a vehicle-to-vehicle communication protocol for cooperative collision warning. Emerging wireless technologies for vehicle-to-vehicle (V2V) communications are promising to dramatically reduce the number of fatal roadway accidents by providing early warnings. One major technical challenge addressed in this our project is to achieve low-latency in delivering emergency warnings in various road situations. Based on a ....etc

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TSUNAMI WARNING SYSTEM
Abstract
On December 26, 2004, a massive underwater earthquake off the coast of Indonesia's Sumatra Island rattled the Earth in its orbit. The quake measuring 9.0 on the Richter scale is the largest one since 1964. Dozens of aftershocks with magnitudes of 5.0 or higher occurred in the following days. But the most powerful and destructive aftermath of this devastating earthquake is the tsunami that it caused. The death toll reached higher than 225,000, and many communities suffered devastating prope ....etc

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i wnt hindi ppts on global warming arrgently
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