No Tomorrow Flashcards
(22 cards)
What are hydrocarbon fuels? What do they create?
A chemical reaction that transforms organic matter into fossil fuels. They create oil and natural gas.
It took nature ______ years to create the fuels that the world consumes in ___ year.
5 million years, 1 year
How much of the World’s oil discovered in the 1800s have we used?
2 trillion barrels discovered, used approximately half.
What is the Hubert Peak? What happened after?
Geophysicist Hubert predicted America’s oil production would peak in 1970. It did peak, then entered permanent decline.
How many countries currently peaked in production of oil?
54/65 major producing nations.
Currently we consume __-___ barrels of oil for every 1 new barrel we discover.
3-6 barrels for every 1
How does urban sprawl contribute to the oil crisis?
Suburban sprawl encourages more driving, more oil/petrol used.
What are some of the key uses of oil?
Chemicals, modern agriculture, hospitals, aviation, water systems, military, electronics.
What is energy, how is it stored? What is energy density?
Energy is the ability to do work, stored in fuels. Energy density is materials that store energy for work.
Which is the most critical of current fuels?
Oil
The vast majority of oil in the US is used for ____
Transportation
One barrel of oil contains as much energy as ___ years of human labour
3 years
What is EROEI?
Energy Return On Energy Invested
What energy produces the vast amount of electrical energy?
Coal
When is global natural gas production predicted to peak?
2030
How can we meet energy needs with only renewables?
Major technological advances, political agreement, investments
What does economic growth require?
An increasing supply of energy to support it.
___ calories of fossil fuel energy are needed to create 1 calorie of food energy
7 calories for 1 calorie
When are all fish populations predicted to collapse?
By 2048.
World food production must ____ by 2050 to feed the growing population.
Double
What is the Jevons Paradox?
Better steam engines > coal cost effective > more steam engines > more coal used
What can we do as individuals to prepare for future climate changes?
Expect a decrease in foreign goods, more walking/cycling, less electricity use, get out of debt, avoid banks, support local, garden