Basic Terms
Everything around you: _______ _______
the environment
the destruction of the Earth's land by humans
Land Pollution
Trash that is often buried and left for many years.
landfill
Earth's water covers about ________ % of the Earth's surface.
*Including oceans, groundwater, lakes, rivers and ponds.
About 70% of the Earth's surface is covered by water.
Some air pollution is caused by _______ .
While most air pollution is caused by _________.
nature
humans
___________ things found in nature that can be used by people
natural resources
the destruction of the Earth's water by humans
Water Pollution
Trash from humans that does not easily rot or decay into the soil is often made of this material.
* Good for humans, not the environment.
Plastic.
In many countries, _________ _________ _________ is the leading cause of death.
Polluted drinking water
Air pollution from nature could be from pollutants like smoke.
Smoke comes from a ______ _______ or ash from a ______ .
Volcano
When the Earth's environment is made dirty.
Pollution
When the Earth's air, or atmosphere becomes dirty.
Air Pollution
Some trash that can easily rot or decay into the soil
biodegradable
Water pollution is caused by ________ , _________, __________ that seep into groundwater or flow into streams.
chemicals, like fertilizers and pesticides.
____ _______ like coal, oil and natural gas are burned to provide energy by humans.
Fossil Fuels
Three types of pollution: _________ , _________ , and ____________.
Air pollution
Land pollution
Water pollution
The invisible blanket of air that surrounds Earth.
The Atmosphere
Farmers often use these chemicals to help grow crops and protect them from insects.
Fertilizers and Insecticides
______ _______ kill ocean animals and birds.
Oil Spills
Most air pollution from humans is caused from: ________ , _________ , _________ , and _________.
Large Cities
Factories
Power Plants
Cars
Why is human impact on the earth greater than it ever has been before?
More people living on Earth than ever before.
Why is pollution one of the biggest killers in the world?
Access to fresh drinking water affects almost half of Earth's population.
Cutting down of large numbers of trees (deforestation) causes many issues for plant and animal life, mainly: ____________
Leaves many animals without homes.
Cutting down trees causes soil nutrients to wash away.
Industries pollute water when making things.
Industries send dangerous chemicals into the air that are then put back into the Earth's water.
This is called _____ ________.
Acid Rain.
The important process of replanting trees to help our atmosphere and the environment for animals and humans.
Reforestation