Environmental Change and Economic Growth Flashcards
what are the different forms of energy?
mechanical, thermal, nuclear, chemical, electromagnetic, sonic, gravitational, kinetic, potential, ionisation.
What key evolution enabled humans to survive in cold climates and cook meat?
Converting chemical energy into thermal energy through the burning of wood.
When did the first agricultural societies emerge, and what energy conversion did they realize?
Around 10,000 BC, realizing the conversion of thermal energy by growing cereal crops that provided chemical energy.
What were settled premodern societies (such as Ancient Egypt, China, and Mesoamerica) built upon?
The farming of grains, forming “organic economies.”
What energy constraints did organic economies face?
It was almost impossible to achieve sustained economic growth due to energy constraints.
How did most people in premodern societies live?
In material poverty, with crude housing, little furniture or clothing, and short lives due to poverty and rudimentary medicine.
What was the mortality rate of newborns and children before the 20th century compared to today?
26.9% of newborns died in their first year and 46.2% of children died before adulthood (vs 2.9% and 4.6% today).
What dietary necessity led to chronic protein deficiency in premodern societies?
An overwhelmingly vegetarian diet out of necessity, a lack of protein meant that people were typically 6 inches shorter than today
What period primarily contributed to the formation of huge carbon deposits compacted into coal?
The Carboniferous period (c. 360-60 million years ago).
What significant invention did Thomas Newcomen create in 1712?
The steam engine, marking the beginning of a new age of energy use
What was the impact of the steam engine on manufacturing productivity and output
It increased manufacturing productivity and output by combusting chemical energy from fossil fuels to produce mechanical energy.
What invention in 1785 further boosted factory productivity?
The power loom.
How did fossil fuels revolutionize transportation?
They powered modern railways, cars, diesel ships, and planes
How did the use of coal in steelmaking transform construction?
It enabled the mass production of steel rails, bridges, steam engines, ships, and skyscrapers
What was the significance of the first power plant in 1882?
It marked the beginning of electrification, originally generating electricity to produce light.