enviromental problems

enviromental problems

1. deforestation

   • means the lost of forest
     • cutting down trees to do farmlands, motorways or houses
     • cutting down trees to produce wood
     • when a forest disappear, the animas that live there dissapear too

2. climate change

   • variations in climate elements sucha as temperature, precipitation and wind
     • can be acused by natural phenomena
     • the consecuencies are: ice caps melting, sea levels rising and coastal areas are flooding

3. pollution

   • is the release of harmful sustances into the enviroment
     • air pollution: by gases released
     • water pollution: by industrial waste, chemicals and wastewater
     • soil pollution: by chemicals used in agriculture and wastewater

4. overexplotation

   • happens when we consume natural resources faster than they are replenished
     • when we catch too many fish
     • extincion of species
     • disappearance of forests
     • depletion of aquifers

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