Deserts

Untitled Slide

Negative Human Impact on Climate

• Humans pollute air
• ozone layer breaks down
• ultraviolet rays heat up earth
• 38% of the earth is aat risk for desertificatiom
• Ultraviolet rays will dry out deserts even more

Positive Human Impact on Climate

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• what humans can do to make a positive impact on the climate:
• Stop polluting the air
• stop mining for fossil fuels

Negative Human Impact on animal life

• Off - Roading: drivinf vehicles on sand, damagesvegetation.
• Pollution: from vehicles, gases, etc. The ozone layer is breaking down. Ultraviolet rays from the sun are heating up the atmosphere even more.
• Overhunting - Dodo bird is extinct ( beautiful feathers )
• Endangered species

Positive Human Impact on Animal Life

• Companies- Defenders of wildlife, Mojave national preserve. Take care of animals, provide food, shelter,water,safety
• Some people still use all parts of an animal and don’t waste it.
• Humans had natural cures for plants and animals

negative human impact on plant life

• kill plants by plowing over natural area
• invasive species: can kill off plants and animals that can't adapt to the invasive species.
• pollution: makes the climate warmer and kills off plants

Positive human impact on plants

• Humans re- plant plants after natural disasters.
• Stop damaging habitats

negative impact on physical landscape

• Fires: people start fires and in deserts they spread fast and burn plants
• Driving vehicles leaves marks in the sand
• throwing junk
• Buildings and cities

Positive impact on physical landscape

• companies come to pick up trash
• After wildfires, hurricanes or other natural or human caused disasters humans come and replant many plants and fix the damage made
• And by preventing further damagae