Human Creativity and Climate Change Is geoengineering a good thing?

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Presentation transcript:

Human Creativity and Climate Change Is geoengineering a good thing?

GEOENGINEERING Humans are creative. They try to solve problems in original ways. Many scientists are concerned about the earth’s climate getting too warm. They have come up with some creative ways to deal with this climate change.

One Idea: Limit the Amount of Sun that Reaches Earth Examples: A Giant Solar Mirror to Block Some Sunlight Artificial “Fake” Volcanoes to Put Particles in the Air to Block Some Sunlight

Limit the Amount of Sun that Reaches Earth (cont.) Cloud-Making Ships White Roofs Painting Mountains White

A Second Idea – Remove Large Amounts of Greenhouse Gases from the Air Examples: Artificial Trees to Remove some Carbon Dioxide from the Air Putting “Biochar” in the Soil to Keep Some Carbon Dioxide From Getting Back into the Air

A Second Idea – Remove Large Amounts of Greenhouse Gases from the Air (continued) Seaweed Farms (above) and Dumping Iron in the Ocean (below) Greening the Desert (above) and Storing Carbon Dioxide On the Ocean Floor or Underground (below)

Third Idea – Cut down on human activities that put greenhouse gases in the air Examples: Switch to one or more types of renewable energy. Can you think of other renewable energy sources besides wind and the sun?

Third Idea – Cut down on human activities that put greenhouse gases in the air (continued) Switch the fuel that cars use (from gasoline to hydrogen, electricity, compressed air or sunlight). A car that runs on compressed air. A car that is powered by the sun

Third Idea – Cut down on human activities that put greenhouse gases in the air (continued) Save energy at home or at school