Assignment 7 Flashcards
What does Kaya Identity calculate?
Carbon dioxide or carbon emitted.
Four reasons why global population growth has been declining?
Birth control.
Women’s rights.
Social programs/government policies.
Weakening influence of religion on culture.
How is it possible for a country’s standard of living (affluence) to decline even though GDP is increasing?
Population is increasing at faster rate than GDP.
Why has global energy intensity been decreasing over last several decades?
Better energy efficiency.
What must occur for carbon intensity to decline?
Carbon emitted must decrease faster than energy use.
What aspect of the climate system uses nearly half of the incoming solar energy at the Earth’s surface?
Hydrological cycle.
Which energy source does not derive from solar radiant energy?
Nuclear.
What is concentrated solar power?
Sunlight focused on a steam engine or turbine.
Latitudinal belt most suited for large-scale solar energy collection?
Subtropics.
Advantage of photovoltaic solar energy compared to passive?
PV converts solar energy directly to electricity.
Four problems associated with large-scale hydroelectric projects?
Flooding of land.
Displacement of population.
Leaching of soil.
Very expensive.
Main plant used in Brazil for bioethanol production?
Sugar cane.
Four problems with use of traditional biomass as source of global energy?
Inefficient way to get energy.
Bad air quality/health issues.
Encourages deforestation.
Can compete with food for biomass use.
Two strategies for dealing with intermittent nature of wind energy?
Backup power from other form of energy.
Store surplus power for later use.
Inland region of N.S. most suited for wind turbines?
Cape Breton.
