is the introduction of contamination in to the natural environment that cause adverse change. Pollution can take form of chemical substances, energy or noise. Pollution forms ( types) : land, water , air and noise.
Waste managements
includes all the activities and actions required to manage waste from its creation to its final disposal. Waste managements includes collection, transportation and waste treatment. Waste management is intended to reduce adverse effects of waste on health and environment.
water pollution
air pollution
noise pollution
have a look at this video.
is a types of land degradation in which a relatively dry area of lands becomes increasingly arid ,typically loosing its bodies of water, vegetation and wildlife. It is the process in which the fertile land is demanded and degraded to produce or initiate desert.
Causes
- overgrazing
- deforestation
- outdated and unsuitable agricultural techniques
- overpopulation
- climate change
- famine
- poverty
- political instability
in Tanzania area like western and northern regions of Dodoma, Singida ,Tabora,Kigoma,Arusha, Mara,Shinyanga, Mwanza.
IMPACTS OF POLLUTION AND WASTE MANAGEMENT
- Loss of fertility
- vegetation damage or destroyed
- soil erosion
- disasters
- pollution of water resources
- famine poverty and starvation
- extinction of species
- economic loss etc
ENVIRONMENTAL CONSERVATION
- Destocking.
- afforestation and reforestation
- control industrial gases and industrial sewage
- practicing proper irrigation skills
- control of industrial fertilizers instead of depending on industrial fertilizers we can use manures.
- to control fishing activities
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