global warming - green house effect (climate change) - water pollution - deforestation - green energy - working model science project diy simple and easy
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Global Warming:
Global warming refers to the long-term increase in the Earth's average surface temperature, primarily caused by the buildup of greenhouse gases in the atmosphere.
Human activities, such as burning fossil fuels, deforestation, industrial processes, and agriculture, release greenhouse gases (e.g., carbon dioxide, methane, nitrous oxide) into the atmosphere, enhancing the natural greenhouse effect.
As a result, more heat is trapped, leading to an overall warming of the planet.

Greenhouse Effect:
The greenhouse effect is a natural process where certain gases in the Earth's atmosphere trap heat from the Sun, preventing it from escaping back into space.
These greenhouse gases, such as carbon dioxide and methane, act like the glass panels of a greenhouse, allowing sunlight to enter but trapping heat inside.
This process is essential for maintaining a habitable climate on Earth. However, human activities have significantly increased greenhouse gas concentrations, intensifying the greenhouse effect and leading to global warming.

Green Energy:
Green energy, also known as renewable energy or clean energy, refers to energy sources that have minimal or no harmful impact on the environment and produce fewer greenhouse gas emissions compared to fossil fuels.
Green energy sources are considered sustainable and do not deplete finite resources.

Some common green energy sources include:

a) Solar Energy: Energy harnessed from the Sun using solar photovoltaic (PV) cells or solar thermal systems.
b) Wind Energy: Energy generated from the kinetic energy of the wind using wind turbines.


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