28th October 2019

bbc
18

How does carbon dioxide help to maintain temperatures on Earth?

Global warming. The extra carbon dioxide increases the greenhouse effect. More heat is trapped by the atmosphere, causing the planet to become warmer than it would be naturally. The increase in global temperature this causes is called global warming.

Accordingly, how do greenhouse gases affect the earth's climate?

Most climate scientists agree the main cause of the current global warming trend is human expansion of the "greenhouse effect"1warming that results when the atmosphere traps heat radiating from Earth toward space. Certain gases in the atmosphere block heat from escaping.

What is effect of greenhouse?

The greenhouse effect is a natural process that warms the Earth's surface. When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases. The absorbed energy warms the atmosphere and the surface of the Earth.

How much does the greenhouse effect raise temperatures on Earth?

The natural greenhouse effect raises the Earth's surface temperature to about 15 degrees Celsius on average—more than 30 degrees warmer than it would be if it didn't have an atmosphere.
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