The glass panels of
the greenhouse let in light but keep.
Much like the glass / plastic roof of
a greenhouse lets in light and solar heat and keeps it in so the plants in the greenhouse will heat up and grow.
Not exact matches
Just like the glass
in a plant
greenhouse, carbon dioxide
in the air
lets light pass through.
Because many gases
in Earth's atmosphere also
let in light but trap heat, scientists have come to call the phenomenon the «
greenhouse effect.»
Many
greenhouses are made of plastic which
let the long wave lengths
in the
light spectrum through
in any case.
So
in effect, carbon dioxide
lets the
light energy
in, but doesn't
let all of the heat energy out, similar to a
greenhouse.
The interview was largely
light and fluffy,
letting Pruitt spout his talking points with little pushback, including a false claim that Congress would have to change the law
in order for the EPA to regulate
greenhouse gases.
In a
greenhouse people grow plants under the protection of glass or plastic which
lets the
light come through for the plants to grow, while protecting the plants from cold.
Steel shells, mirrors, blankets, they are all fine metaphors but I have always felt they failed at getting to the heart of how the
greenhouse effect works i.e.
letting light in at one frequency and rejecting it at others.
Because they act
in a similar way to the glass panes of a
greenhouse (ie
letting in more
light radiation from the Sun than they
let infrared radiation out), they have been nicknamed «
greenhouse gases».