How does the greenhouse effect help us?

Question

I would like to know how the greenhouse efffect helps the Earth and us.

Answer 1

The more CO2 u produce the better for the plants. It accelerates their growth . If we produce a little extra CO2 this month then next month the plants will grow more and be able to catch up.

Answer 2

Without some greenhouse effect the Earth would be permanently frozen in an ice age. So we need just the right amount to keep the climate as it is now.

Answer 3

It doesn't. The equilibrium (mean) temperature of the planet is given as

T=(P/4/s)^.25

where P is the solar constant (1366W/m^2) and s is the Stefan-Boltzmann constant (5.7E-8W/m^2/T^4). That equates to

T=(1366/4/5.7E-8)^.25=278K (5C).

Within the margin of measurement error, this is exactly what the global mean temperature is. Note that there is no atmospheric component in the calculation.

Answer 4

without it we would be as hot and cold as the moon ! like 300 below zero at night and 400 degrees in the day time

Answer 5

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