Climate Trends
Since 1880, what has been the trend in global temperature and ice coverage?
Increasing temperatures, decreasing ice
Which gas is the main contributor of greenhouse gases due to livestock and agriculture?
More energy enters than exists causes...
More energy absorption and increases temperatures.
Which of the following is NOT a way to reduce greenhouse gases?
Burning more coal/fossil fuels
When CO₂ and methane increase, what happens to global temperatures?
They rise
What happens when more energy is absorbed by the Earth’s surface?
Temperature increases
What happens when CO₂ and methane levels increase in atmosphere?
Energy absorption increases which increases overall global temperature
What does it mean for a system to be stable?
Same amount of energy enters as exits
What happens when humans reduce greenhouse gas emissions?
The increase in global temperatures slows over time and global temperatures decrease
If more energy enters than exits, what happens to temperature?
It increases
Overall tendency (for example, a consistent increase) in a set of data over time.
trend
How do carbon dioxide and methane stop energy from leaving?
They redirect heat energy back to the earth's surface where it is reabsorbed
What happens if CO₂ and methane decrease?
More energy leaves than enters, so temperature decreases
Which changes will increase the energy in a system?
More energy enters than exits the system
If less energy enters than exits, what happens to temperature?
It decreases
TRUE OF FALSE: Good evidence shows trends over a long period of time instead of fluctuations within a short period of time.
TRUE
What greenhouse gas is the major contributor from factories and combustion vehicles?
Carbon dioxide
What types of human activity is a major cause of increased CO₂?
Burning fossil fuels/combustion
Which energy source does NOT release carbon dioxide or methane?
Solar power
What happens to the amount of energy absorbed when greenhouse gases increase?
It increases
What is one major effect of more energy being trapped in Earth’s atmosphere and more ice melting?
Rising sea levels
When carbon dioxide and methane in the atmosphere increases, the amount of energy absorbed also....
Increases
What is one action humans can take to reduce CO₂ and methane levels?
Use alternative energy sources, such as solar as wind.
How can individuals help reduce CO₂ in the atmosphere?
Use energy efficient cars and appliances
What is one major impact of increased CO₂ and methane?
Higher global temperatures