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November 29, 2023 934 0
Climate change refers to long-term shifts in temperatures and weather patterns. Such shifts can be natural, due to changes in the sun’s activity or large volcanic eruptions, or due to anthropogenic activities such as unsustainable industrialization, urbanization and deforestation etc.
India also witnessed alternate wet and dry periods. Archaeological findings show that the Rajasthan desert experienced wet and cool climate around 8,000 B.C. The period 3,000 – 1,700 B.C. had higher rainfall. From about 2,000 – 1,700 B.C., this region was the center of the Harappan civilisation. Dry conditions have accentuated since then.
Around 500 – 300 million years ago, the earth was warm. During the Pleistocene epoch, glacial and interglacial periods occurred. The last major peak glacial period was about 18,000 years ago. The present inter-glacial period started 10,000 years ago.
Mainly astronomical and terrestrial factors are responsible for the Greenhouse Effect and climate change.
Cause | Description |
Astronomical |
|
Terrestrial |
|
Table : Causes of Climate Change
Global experiences have highlighted the need for a collaborative effort for addressing the Greenhouse Effect and climate change. Many such initiatives can deliver economic benefits while improving our lives and protecting the environment.
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