ESS Ch 18

Which mitigation strategy helps reduce greenhouse gas emissions?

• Increasing coal consumption

• Expanding renewable energy use

• Cutting down forests

• Using more natural gas

What is a predicted effect of climate change in the American Southwest?

• Increased rainfall

• More frequent snowstorms

• Higher humidity

• Increased drought conditions

What tool do scientists use to predict future climate trends?

• Weather balloons

• Historical records only

• Computer climate models

• Thermometers

What is a projected impact of climate change in coastal regions of the United States?

• Increased sea levels and coastal flooding

• More snowfall in winter

• Decreased hurricane activity

• Lower humidity levels

What region would be the most at risk from saltwater intrusion and more severe storm surges as a result of climate change?

• The agricultural areas of the Great Plains

• The innermost parts of Antarctica

• The coastal areas of South Florida

• High-altitude areas within the Himalayan Mountains

What region of Earth is experiencing the most rapid increase in average temperatures?

• Polar zones

• Tropical zones

• Sub-tropical zone

• Temperate zones

Which 2015 treaty was signed by 196 nations (including the U.S. at the time) with the goal of limiting global average temperatures to less than 2 degrees Celsius above pre-industrial temperatures?

• Paris Agreement

• IPCC Treaty

• Kyoto Protocol

• Montreal Protocol

The largest percent of nitrous oxide (N₂O) emissions are from:

• fertilizer application

• volcanoes

• transportation

• manure management

Currently, the 2 main causes of sea level rise is ________.

• thermal expansion of water in the oceans & melting of ice caps

• melting of ice caps & decrease in global precipitation

• thermal expansion of water & increase in global precipitation

• melting of ice caps & increase in global precipitation

Average global surface temp. has increased by ______ degrees celsius since late 1800s (pre-industrial)

• 1.5

• 2.5

• 5

• 20