Introduction
The chapter discusses the fundamental concepts of energy, its types, and its conversion. It then introduces renewable energy technologies and their benefits, particularly in combating environmental issues like global warming, acid rain, and ozone depletion. Finally, it presents the current global and Indian scenarios regarding renewable energy sources, highlighting the rapid growth and important contributions of renewables in the energy sector.
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Sections
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What we have learnt
- Energy is defined as the ability to do work and can take various forms.
- Renewable energy technologies provide sustainable alternatives to fossil fuels and help reduce environmental impacts.
- Global and Indian renewable energy capacities are increasing significantly, with ambitious targets set for future growth.
Key Concepts
- -- Energy
- The ability or capacity to do work, measurable in terms of its ability to be converted between forms but not created or destroyed.
- -- Renewable Energy
- Energy that comes from resources which are naturally replenished, such as solar, wind, and hydropower.
- -- Global Warming
- The long-term rise in Earth's average surface temperature due to human activities, primarily the emission of greenhouse gases.
- -- Acid Rain
- Precipitation that contains harmful amounts of sulfur dioxide and nitrogen oxides, leading to environmental damage.
- -- Ozone Layer Depletion
- The reduction of ozone in the stratosphere caused by man-made chemicals, leading to increased levels of UV radiation reaching Earth's surface.
Additional Learning Materials
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