2020 FINAL: Climate Change

Earth has warmed _____ F in the since the industrial revolution

• 0.5 - 1.0 F

• 1.0 - 1.6 F

• 1.6 - 2.0 F

• 5 F

First time in human history that we started burning oil, coal, gas in machines

• Industrial Revolution (1800's)

• Technical Revolution (1800's

• Agricultural Revolution (1800's)

Concentration of CO2 at the start of industrial revolution

• 410 ppm

• 350 ppm

• 280 ppm

• 180 ppm

Concentration of CO₂ at in 2020

• 410 ppm

• 350 ppm

• 280 ppm

• 180 ppm

What caused climate change?

- CHOOSE 2-

• increased Carbon Dioxide

• Burning Fossil Fuels

• Melting Ice Caps

• Deforestation

Greenhouse Gases trapped beneath the ozone layer radiate heat and warm the Earth

• Greenhouse Effect

• Radiation Effect

• Greenhouse Gases

• UV Conduciton

Greenhouse Gases

choose multiple

• Carbon Dioxide

• Methane

• Nitrogen Oxides

• Particulate Matter

How does CO₂ enter the ecosystem?

select multiple

• respiration

• decomposition

• runoff

• combustion (of fossil fuels)

Where does Methane come from?

choose multiple

• melting permafrost

• agricultural (cows)

• run off

• dry cleaners

What is different about this most recent Earth’s warming compared to past warmings?

• Carbon Dioxide is the HIGHEST, almost double the greatest point that it has ever been in 500,000+ years

• Carbon Dioxide is the HIGHEST it has ever been in 500,000+ years