8.11B Human Activites & Climate

They have no effect on climate.

They can cool the Earth's surface.

They can influence climate by increasing temperatures and changing weather patterns.

They only affect local weather, not global climate.

the long-term weather pattern in a given area

the cutting of forested areas the size of a football field

the steady growth of cities and the population living in cities

Fossil fuels are nonrenewable energy sources formed from ancient organic matter.

Trees are cleared to use the land for livestock, agriculture, and growing crops.

Trees are cut down to allow natural wind flow through the urban areas.

Trees are cleared to use the land for development like houses, schools, and stores.

Increased oxygen levels.

Decreased carbon dioxide levels.

Increased carbon dioxide levels.

Decreased methane levels.

They reflect sunlight away from the Earth.

They trap heat in the atmosphere.

They absorb harmful UV radiation.

They cool the Earth's surface.

More vegetation in urban areas.

Higher population density.

Heat absorption by buildings and roads.

Increased rainfall in urban areas.

A. Driving cars adds to the amount of greenhouse gas in the atmosphere, trapping radiant energy.

B. Putting in green roofs reflect heat, prevent water runoff, absorb carbon dioxide, and act as natural insulators for the building.

C. Planting trees gives shade and releases moisture through evapotranspiration.

True

False