Global Change

What is the primary reason for the acceleration of global change?

• A rapidly increasing human population, increasing demand for our natural resources.
• Natural causes such as volcanic eruptions and hurricanes.
• A lack of technological innovations to slow global change.
• The greenhouse effect.

__________ change occurs over a long period of time, frequently hundreds of thousands or millions of years, whereas __________ change has occurred very quickly, in less than 200 years.

• Man-made ; natural
• Natural ; man-made

We know that climate change includes global warming, the increase in the temperature of the planet's land, air, and water, but which of the following is also included in global climate change?

• Deforestation and Habitat Loss
• Overharvesting / overexploitation of animals and decreased biodiversity
• Increased storm intensity and altered patterns of precipitation and temperature
• Emerging Infectious Diseases

What were the TWO primary reasons given in the video for several towns in Texas to have run out of water, to the point of needing it brought into town in tanker trucks.

• Increased droughts in Texas.
• Increase in average Texas temperatures by 1.5 degrees.
• Increased agriculture in the area putting higher demand on water needs.
• Increased human population in the area putting higher demand on water needs.

Which of the following is a major consequence of global climate change?

• Increased agricultural productivity

• Decreased sea levels

• Increased frequency and intensity of heatwaves

• Decreased greenhouse gas emissions

What is the main driver of the recent climate change observed in the last century?

• Solar radiation

• Volcanic eruptions

• Human activities

• Natural climate variability

Which of the following is not a greenhouse gas contributing to global warming?

• Carbon dioxide

• Methane

• Nitrous oxide

• Oxygen

Which of the following activities contributes the most to greenhouse gas emissions?

• Transportation

• Electricity production

• Deforestation

• Agriculture

What is the effect of global warming on sea levels?

• Decrease in sea levels

• No change in sea levels

• Increase in sea levels

• Sea levels are not affected by global warming

Which of the following is a potential impact of climate change on human health?

• Increased risk of heart disease

• Decreased risk of infectious diseases

• Increased risk of heat-related illnesses

• Decreased risk of respiratory problems