Non-Renewable
This fossil fuel forms from plant matter buried in swamps over millions of years.
What is coal?
This energy source converts sunlight directly into electricity using photovoltaic cells.
What is solar energy?
Renewable resources are considered more sustainable because they emit less of this gas.
What is carbon dioxide (CO₂)?
The combustion of fossil fuels leads to this environmental problem that increases Earth’s average temperature.
What is climate change or global warming?
The first man to walk on the moon.
Who is Neil Armstrong?
The process of refining this fossil fuel produces gasoline, diesel, and jet fuel.
What is crude oil?
This type of renewable energy uses the kinetic energy of moving air to generate electricity.
What is wind energy?
Wind and solar power require this kind of infrastructure to store excess energy.
What are batteries or energy storage systems?
Large-scale hydroelectric dams may disrupt the life cycle of these animals.
What are migratory fish or salmon?
In Switzerland, you’re not allowed to own just one of this animal, because it gets lonely.
What is a guinea pig?
This term describes a fuel source that cannot be replenished on a human timescale.
What is a non-renewable resource?
Unlike fossil fuels, renewable resources are considered this type of system resource.
What is sustainable?
One of the main criticisms of nuclear power is the long-term storage of this byproduct.
What is radioactive waste?
Surface mining for coal often results in this ecological consequence.
What is deforestation or ecosystem loss?
In The Lord of the Rings, this character is tasked with taking the One Ring to be destroyed in Mount Doom.
Who is Frodo Baggins?
The mining of this non-renewable fuel used in nuclear reactors creates radioactive waste.
What is uranium?
This renewable energy source releases methane if not managed correctly.
What is biomass?
This renewable energy source has high reliability but is geographically limited.
What is geothermal energy?
Nuclear accidents, like Chernobyl and Fukushima, are examples of this kind of risk.
What is radioactive contamination or nuclear meltdown?
In this U.S. state, it's illegal to tie a giraffe to a telephone pole.
What is Georgia?
This process, often used to extract natural gas from deep underground rock formations, has raised concerns over groundwater contamination and seismic activity.
What is hydraulic fracturing (or fracking)?
Name two major challenges in transitioning to 100% renewable energy globally.
What are intermittency and storage, cost, infrastructure, or political/economic barriers?
This is the term for balancing carbon emissions with carbon removal.
What is net zero?
This international agreement, signed in 2015, aims to limit global warming to below 2°C
What is the Paris Agreement?
This spice comes from the dried stigma of a flower and is the world’s most expensive by weight.
What is saffron?