Question

what is global warming​

Answer 1

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Sudden increase in average temperature of earth is known as global warming.

Answer 2

Explanation:

Climate change includes both the global warming driven by human emissions of greenhouse gases, and the resulting large-scale shifts in weather patterns. Though there have been previous periods of climatic change, since the mid-20th century, humans have had unprecedented impact on Earth's climate system and caused change on a global scale.[1]The largest driver of warming is the emission of greenhouse gases, of which more than 90% are carbon dioxide (CO

2) and methane.[2] Fossil fuel burning for energy consumption is the main source of these emissions, with additional contributions from agriculture, deforestation, and industrial processes.[3] The human cause of climate change is not disputed by any scientific body of national or international standing.[4] Temperature rise is accelerated or tempered by climate feedbacks, such as loss of sunlight-reflecting snow and ice cover, increased water vapour (a greenhouse gas itself), and changes to land and ocean carbon sinks.