Abiotic factors include sunlight, temperature , moisture, wind or water currents, soil type and nutrients availability. Ocean ecosystems are impacted by abiotic factors in ways that may be different from terrestrial ecosystem..

1) sunlight ( causes skin burns and dehydration)

2) temperature ( increasing temperature is leading to lack of water and DROUGHT)

3) Climate change ( results of increased greenhouse gases, such as carbon dioxide in the atmosphere)

4) Acid rain ( it can kill plants and animals as the increase of pollution)

5) Natural disasters ( They can lead in devastating affect on the lives of many people)

...

how the occurrence of environment diseases can be reduced?

it can be reduced by increasing ACCESS of safe water and adequate sanitation and PROMOTING hand washing would further REDUCE diarrhoeal diseases. Tobacco smoke free legislation reduces exposure to second hand tabacoo smoke, thereby also reduces cardiovascular diseases and respiratory INFECTIONS. ...

we should reduce

water pollution

air pollution

land pollution

noise pollution

etc...

don't use plastic

plant more and more trees...