Which of these following statement is the correct meaning of the term 'global warming'?
Slow and steady rise in the earth's surface temperature
Global warming is the slow and steady rise in the earth's surface temperature. Global warming is one of the main causes for the extinction of plants and animals as they can't cope with rising temperatures. It causes deforestation, loss of biodiversity, etc. From Ice age to 21st century, the temperature of earth has risen by 5 degree celsius.