Which energy source does NOT release carbon dioxide into Earth's atmosphere?

The greenhouse effect is crucial for the biosphere on Earth.

The climate system is simple and the computer models are precise and certain.

The electrical power system in the USA runs so smoothly that most people don't even think about where and how electricity is generated.

At 3 AM, the electrical power system runs at ___ of capacity.

At the Kyoto talks, ___ countries felt they did not need to restrain their growth of electrical power and consequent release of carbon dioxide.

It is winter and it is cold in your house.  You put on a sweater and a blanket and not turn on your furnace.  It is summer and hot in your house.  You turn on a fan and wear flip flops and a tank top.  You do not turn on your air conditioner.

You buy a Prius with 50 miles per gallon instead of an SUV with 16 miles per gallon.

Which series of countries in the correct order from MOST energy consumption to LEAST?

A global climate warming could cause a mini ice age for northern Europe by disrupting the Gulf Stream.

Most scientists think catastrophic global warming will occur by 2025.

Most scientists think humans and carbon dioxide emissions are affecting Earth's climate.

Water vapor can remain in the atmosphere for ____ but CO₂ can remain in the atmosphere for ___ before it gets absorbed by the oceans.

It requires massive amounts of energy to:

Which is NOT a developing country that will soon increase their amount of CO₂ emissions?

Everyone else in the world wants to use energy like people in the US.

Energy ___ is using less energy to do the same thing.

Increased levels of CO₂ could be absorbed by the biosphere, starting with plants like trees.  However, even if a tree is turned into a house, eventually after about ___, the carbon will decay back into CO₂ and return to the atmosphere.

Earth's climate is naturally unstable.  It changes regardless of human activity.

Global warming is an issue about:

Determining the climate of the entire Earth is difficult for many reasons.  Which is NOT one?

The ozone layer protects the surface of Earth from ____.  The greenhouse effect traps escaping ____ with CO₂, water vapor and methane gas.

Which is NOT a natural archive of climate that was mentioned in the video?

*The measured amount of carbon dioxide does NOT fluctuate on a yearly basis.  
*The amount of CO₂ DOES increase every year.

Coal companies view CO₂ as a pollutant rather than a plant fertilizer.

Plants may grow faster in an atmosphere with more CO₂, but if rainfall patterns change and water becomes a limiting factor, then plants will not absorb the extra CO₂ from the atmosphere.

*No one argues that CO₂ levels will be twice or three times as high by the year 2100.  
*People argue what effects this will have on Earth's climate.

Climatology and Earth's feedback mechanisms are complex.  One example are clouds.  ___ clouds have a negative feedback by reflecting sunlight back to space before it strikes the surface.  ___ clouds have a positive feedback by absorbing more infrared light that is being released from the surface.

If ice caps melt and sea levels rise, all nations will be able to build sea walls and save their land.

*Scientists know that Earth's climate naturally changes, but they are concerned with how fast it might change in response to human induced climate change.
*Whether fast or slow, the biosphere will be able to evolve easily to the changes.

The most probable outcome of climate change in the next 50 to 100 years will be somewhere between "the good for you" scenario and the "end of the world" scenario.

People in the US are used to ___ energy ___.

In the next 50 years, 1) economic growth will ___, 2) energy consumption and production will ____, 3) as more developing nations become developed, their birthrate will ___.

Which source of electricity releases CO₂?

If the US stopped releasing CO₂ into the atmosphere today, the global warming issue would be solved.

*A poor person in a developing nation will want to improve their quality of life by getting a TV, then a fan, then an air conditioner, then a car.
*Roughly, 10% of the world's population live in developing nations.

*Energy efficiency has increased significantly, but people in the US are buying larger homes and vehicles.  Energy-wise, the two have canceled each other out.
*The growth of computers, cell phones, cell phone towers and computer servers to store all the information on the internet all require more energy.

Why does the increasing curve of CO₂ fluctuate up and down?

*In the year 2000, the world's energy consumption was 10 ____.
*By 2100, the amount should increase by ___.

In the next 100 years, human civilization needs to stabilize the amount of CO₂ emissions while it increases its energy use by three or four times.  The most likely solution will be:

What is NOT a challenge faced by renewable energy production like hydroelectric, wind power, biomass and solar?

*There are serious concerns about nuclear power plants, and more of the old is a bad idea.
*As of 2017, there are new nuclear power options that are currently being researched and are a good idea.

Which is NOT a top five country in utility-scale solar power capacity?

*Earth's climate feedback system is complex.
*There is an unlimited supply of coal, petroleum and natural gas in the crust of Earth.

*Populations have always evolved in response to changes in Earth's different environments.
*Much of Earth's species have gone extinct over geologic time.  The few survivors evolve into many new species.

*Without the greenhouse effect, Earth's average global temperature would be about 0°F.  All water would freeze on Earth's surface.
*Without the ozone layer, ultraviolet light would kill all life on the surface of Earth.

Global warming and the ozone layer are separate issues and are not really related.