Air pollution Yanpeng Yang(Eric) SYSM 6309 Advanced Requirements Engineering Spring 2015 University of Texas at Dallas

2 New Map Offers a Global View of Air Pollution from NASA The map shows very high levels of PM2.5 in a broad swath stretching from the Saharan Desert in Northern Africa to Eastern Asia, including China. When compared with maps of population density, it suggests more than 80 percent of the world's population breathe polluted air.

3 Where the pollution from 3

Why coal burning is top 1 of the source for Air pollution? China consume almost half of coal in the world.

The gas pollution Lower quality oil ---the pollution would lower 10% if oil upgrade 1 level. The quantity of vehicle growing more than 10 times in the last ten years.

Air pollution Problem Statement  Leading Human healthy goes down  Destroying the Ecological environment

Solution for polluted Air  Government publish new environment law and claim to enforce the law if enterprise do not follow.  The law state the coal must be cleaned before burning.  The law ask gas company upgrade the gas level  Government put environment protection on office’s performance evaluate instead of economic development only

Stakeholder Factory (use coal for energy) Oil company People Government

Class Diagram

PIG-SIG

D1: The Government publish New Environment Law. D2: New Environment law state factory must clean coal before burning D3: The Government will enforce the law If the company do not follow. R1: The factory need to follow the new Environment law, and clean coal before coal burning S1: If coal is washed before burning, the pollution will be reduced Factory S, D, |= R S equals “Specification” D equals “Domain” |= means “Satisfy” R equals “Requirements” System Environment

Summary Air pollution has affected More than 80% people’s normal life Government publish new environment law and claim to save environment and enforce the law would be the best solution..

Questions ?

14 Let's work together to eliminate air polutuion 14