This superstition is known for stopping students from graduating in 4 years.
Walking under the Bell Tower.
This fossil fuel is the most common energy source in Indiana.
Coal.
This greenhouse gas is released by the decomposition of food waste in landfills.
This term describes the trapping of heat in the Earth's atmosphere, caused by fossil fuel emissions.
The greenhouse effect.
Walter White taught this high school subject before becoming a dug manufacturer.
Chemistry.
This famous individual, known for perfecting and popularizing microwave popcorn, graduated from Purdue with a degree in Agronomy.
Orville Redenbacher.
This major global event caused an almost 10% decrease in energy consumption in the United States.
The COVID-19 pandemic.
This sector (residential, retail, agriculture, manufacturing) produces the largest share of food waste.
Residential.
This is the primary heat sink (heat absorber) on Earth's surface.
Oceans.
This Harry Potter character is also known as the "Half-Blood Prince".
Severus Snape.
Purdue was founded in this year.
1869
This form of renewable energy is banned in large-scale forms in Tippecanoe County by way of a moratorium.
Solar.
This commonly misunderstood label is a major reason for America's food waste issue.
Expiration labels.
This sub-surface material is thawing as a result of warming temperatures, releasing stored carbon and methane into the atmosphere.
Permafrost.
This character from The Office gets hit by a car by Michael Scott in the Dunder Mifflin parking lot.
The office of sustainability is housed under this Purdue department.
Administrative Operations?
This country uses the most energy from wind power than any other nation.
China.
This percentage of total produced food is eventually wasted.
30% - 40%
This sector (energy, transportation, agriculture, industry) accounts for the vast majority of global carbon emissions.
Energy.
This letter is the only one in the English alphabet that does not appear on the periodic table.
Emerson White, Purdue's President from 1876 to 1883, attempted to ban what on campus, but was unsuccessful after the case went to the Indiana Supreme Court?
Fraternities.
This is a term coined for the energy usage caused by electronics that are turned off, but still plugged in.
Phantom load or vampire energy.
This European country requires restaurants to donate food that goes unsold, but is still safe to consume.
France
This European nation has the lowest per-capita carbon emissions.
Switzerland.
This U.S. state is the only state to not have a rectangular flag.
Ohio