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Geothermal energy, derived from Earth's internal heat, has evolved from ancient bathing to modern electricity generation. It offers a stable power supply and has seen significant technological and economic advancements, making it competitive with other renewables. Global capacity reached 13.9 GW for power and 28 GW for heating by 2019, also providing around 100,000 jobs. Public support continues to grow, recognizing geothermal's sustainability.
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Geothermal energy is a renewable energy source derived from the Earth's internal heat
Earth's Formation
The Earth's internal heat originates from the planet's formation
Radioactive Decay of Minerals
The ongoing radioactive decay of minerals in the Earth's crust also contributes to geothermal energy
The term "geothermal" comes from the Greek words "gê" (Earth) and "thermós" (hot), reflecting the concept of Earth's natural heat as an energy source
Geothermal energy has been utilized for millennia, with applications ranging from hot spring bathing in ancient times to modern electricity generation
Technological advancements have expanded the scope of geothermal applications to include district heating, space heating, spa use, and various industrial processes
Modern geothermal energy use encompasses agricultural drying, greenhouse heating, and water desalination
Significant cost reductions in power generation have been witnessed in the late 20th century
Technological innovations continue to enhance efficiency and reduce the costs associated with geothermal power
The economic benefits, coupled with the low environmental impact of geothermal energy, contribute to its potential as a key player in the transition to sustainable energy systems
The global geothermal power generation capacity reached approximately 13,900 megawatts (MW) by 2019, with an additional 28 gigawatts (GW) used for direct heating applications
In 2019, the geothermal industry was responsible for around 100,000 jobs, highlighting its role in both the energy market and the global economy
As the geothermal sector continues to grow, it is expected to create more employment opportunities and contribute to economic development
00
Since ancient times, humans have used geothermal energy for activities like hot spring bathing, evolving to ______ generation today.
electricity
01
Geothermal power plants, developed in the ______ century, are advantageous because they offer a ______ power supply.
20th
stable
02
Ancient geothermal uses
Bathing, heating by natural heat from Earth.
