Biological Problems

• Photochemical smog, acid rain and global warming can affect different organisms in different ways.

Effect on humans:

• Inhalation of polluted air causes many different types of diseases in human beings.
• Human beings suffer from diseases of trachea and lungs.
• Diseases like cancer of lungs, damage to kidney and night blindness are caused.
• Blood pressure increases/decreases.
• The reproduction power of men decreases.
• Life span decreases.

Effect on animals:

• Milk producing capacity of milk animals decreases.
• Their life span decreases.
• They develop physical defects.
• Skin becomes rough.

Effect on plants:

• Leaves of plants fall down. So the process of photosynthesis becomes slow.
• New shoots of plants are destroyed.
• Growth of a plant is stunted.
• Flowers and fruits fall down.