Population energy climate change

Chapter 2.5 Population, Energy, and Climate Change

What are the Major Air Pollution Problems? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What are the Major Air Pollution Problems? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What are the Major Air Pollution Problems? ,[object Object],[object Object],[object Object]

How Might the Earth ’s Temperature and Climate Change in the Future? ,[object Object],[object Object],[object Object]

Economies are powered by fossil fuels ,[object Object]

Nations vary in the renewables they use ,[object Object]

The new renewables are growing fast ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],Rapid growth in renewables will continue The 2007 energy bill passed only after Congress dropped requirements to shift subsidies from non-renewables to renewables and for utilities to increase using renewables.

Biofuels can power automobiles ,[object Object],[object Object],[object Object],In 2007, the U.S. produced 30 billion L (6.5 million gal) of ethanol in 100 ethanol plants.

Cars can run on ethanol ,[object Object],[object Object],[object Object],[object Object]

Hydroelectric power ,[object Object],[object Object],[object Object],[object Object]

Hydropower is clean and renewable ,[object Object],[object Object],[object Object],[object Object],[object Object]

Hydropower has negative impacts ,[object Object],[object Object],[object Object],[object Object],[object Object]

Hydroelectric power is widely used ,[object Object],[object Object],[object Object],[object Object]

Solar energy ,[object Object],[object Object],[object Object],[object Object],[object Object]

Passive solar heating is simple and effective ,[object Object],[object Object],[object Object],[object Object]

Active solar energy collection ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Focusing solar rays magnifies energy ,[object Object],[object Object],[object Object],In southern California, a power tower produces power for 10,000 households.

Solar power is little used but fast growing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Solar power offers many benefits ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Location is a drawback ,[object Object],[object Object],[object Object],[object Object]

Modern wind turbines convert kinetic energy ,[object Object],[object Object],[object Object],[object Object]

Wind is the fastest-growing energy sector ,[object Object],[object Object],[object Object],[object Object],[object Object]

Wind power has many benefits ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Wind power has some downsides ,[object Object],[object Object],[object Object],[object Object],[object Object]

U.S. wind-generating capacity ,[object Object]

Conclusion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

QUESTION: Review ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

QUESTION: Interpreting Graphs and Data ,[object Object],[object Object],[object Object],[object Object],[object Object],_____ is the best state for producing solar energy, while _____ is best for wind energy. Solar Wind

Population energy climate change

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