Question

When was global warming first noticed?

Answer 1

Global warming:

1. Global warming is the condition that occurs due to the release of harmful greenhouse gases such as carbon dioxide, CFCs, etc.,
2. It results in an increase in the earth's temperature that further causes major changes in climate.
3. It was first noticed in the early 19th century.
4. Its history began when natural changes in paleoclimate and ice ages were suspected first.
5. Hence it led to the identification of the natural greenhouse effect.