The difference between renewable and nonrenewable resources, with common examples of each. Front: the resource or term. Back: a plain-language definition or classification.
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- Renewable resource
- A natural resource that regenerates or is replenished naturally within a human timescale
- Nonrenewable resource
- A natural resource that exists in a fixed amount and cannot be regenerated at the rate it is consumed
- Solar energy
- Renewable energy captured from the sun's radiation using panels or concentrated mirrors
- Wind energy
- Renewable energy generated by turbines that convert moving air into electricity
- Geothermal energy
- Renewable energy from heat deep inside the Earth accessed by drilling into hot rock
- Hydroelectric power
- Renewable energy generated by flowing or falling water spinning turbines in a dam or river
- Biomass energy
- Renewable energy produced by burning organic materials like wood, crops, or animal waste
- Tidal energy
- Renewable energy from the gravitational pull of the moon and sun on ocean tides
- Wave energy
- Renewable energy from ocean waves converted to electricity by offshore devices
- Hydrogen fuel cells
- Renewable fuel that releases energy when hydrogen atoms combine with oxygen to form water
- Coal
- Nonrenewable fossil fuel formed from ancient plant matter compressed underground for millions of years
- Natural gas
- Nonrenewable fossil fuel extracted from underground, primarily methane, burned for heat and electricity
- Crude oil
- Nonrenewable fossil fuel pumped from underground and refined into gasoline, diesel, and other products
- Uranium
- Nonrenewable element mined for nuclear fuel, whose atoms are split to release energy
- Copper ore
- Nonrenewable metal extracted from rock deposits and used in wiring and electrical equipment