Inferior quality of air and water is affecting people worldwide. Major reasons behind such quality degradation is lack of proper waste management technique from both industry and construction. This essay shall discuss reasons and preventive measures to maintain the quality index at minimum required level.
Foremost reason behind declining quality is dumping and releasing industrial waste in canals and other water bodies. Not only it impurifies water it also affects all species dependent on that water including humans. Apart from that, when construction waste is collated they are either dumped in landfills or are sometimes released in air by burning those substances which ultimately results in polluting both air and land. For example, Industries who have operations with radioactive substances create such harmful waste which, when dumped under land, can cause effects which lasts for generations.
One of the way to prevent such damage is by improving waste management technique say for example not throwing waste in main water bodies and dumping it in area where access to that water is minimal. But sometimes when use of such harmful substances cannot be avoided, proper disposal of such waste becomes important. For instance, burning of plastic, fuels and other substances which are responsible to increase sulphur and carbon proportion in air should be avoided or reduced. Also, for construction, companies should invest in eco-friendly machines and technology to control environmental damage.
To conclude, it is quite necessary to maintain air and water quality index so people should be very alert and responsible while managing substances which can be harmful for environment. 
Inferior  
quality
 of  
air
 and  
water
 is affecting  
people
 worldwide. Major reasons behind such  
quality
 degradation is lack of proper  
waste
 management technique from both industry and construction. This essay shall discuss reasons and preventive measures to maintain the  
quality
 index at minimum required level.
Foremost reason behind declining  
quality
 is dumping and releasing industrial  
waste
 in canals and other  
water
 bodies. Not  
only
 it  
impurifies
  water
 it  
also
 affects all species dependent on that  
water
 including humans. Apart from that, when construction  
waste
  is collated
 they are either dumped in landfills or are  
sometimes
 released in  
air
 by burning those  
substances
 which  
ultimately
 results in polluting both  
air
 and land.  
For example
, Industries who have operations with radioactive  
substances
 create such harmful  
waste
 which, when dumped under land, can cause effects which lasts for generations.
One of the way to  
prevent
 such damage is by improving  
waste
 management technique say  
for example
 not throwing  
waste
 in main  
water
 bodies and dumping it in area where access to that  
water
 is minimal.  
But
  sometimes
 when  
use
 of such harmful  
substances
 cannot  
be avoided
, proper disposal of such  
waste
 becomes  
important
.  
For instance
, burning of plastic, fuels and other  
substances
 which are responsible to increase  
sulphur
 and carbon proportion in  
air
 should  
be avoided
 or  
reduced
.  
Also
, for construction,  
companies
 should invest in eco-friendly machines and technology to control environmental damage. 
To conclude
, it is quite necessary to maintain  
air
 and  
water
  quality
 index  
so
  people
 should be  
very
 alert and responsible while managing  
substances
 which can be harmful for environment.