The If alternative energy sources or ways to clean

The world’s CO2 emissions are currently at a record high,
since the discovery of fossil fuels. Scientists have been calling upon world
leaders, now with more urgency, to stop the increase of the CO2
emissions. Another increase in CO2 emissions will drastically change
the planet and our environment, such as the sudden change of weather, the
melting of the ice caps, and many more factors, that used to be benefits for
the planet. If alternative energy sources or ways to clean our air are not
found or applied, then the Planet that we live, will not be able to support
human life.

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Solutions to High Emissions:

A cheap solution to these high emissions of CO2, are
green roofs. The plants or vegetation found on green roofs, greatly reduces the
emissions of CO2. These green roofs, are however, difficult to
place, since not every roof is able to house a green roof full of plants. This
is because green roofs consist of around about five layers that can add a lot
of weight that some houses cannot support:

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These layers
help the plants, since the water and roots are able to spread out and that will
make sure that the plant will be able to survive. The water will be able to be
settle in the substrate and be later on taken from the soil in the plant for
Photosynthesis. There are many private benefits are available to green roof
owners, but the most beneficial for the green roofs, is that they help clean
the air, through Photosynthesis. Photosynthesis, is the basic process, for a
plant to generate its own nutrition, which it can break down to energy if
needed. Both substrates for photosynthesis, must be present in order for a
chemical reaction to take place. Therefore, CO2, taken from the air,
and Water, taken up from the soil, must be present. The products of the
photosynthesis reaction is Oxygen and Glucose, which can be broken down from
ATP to ADP to help cells to move and stay alive. Photosynthesis is not only key
to the plants life and future, but it also very much so benefits our
environment. Animals (us) are not able to produce Photosynthesis, since we are
not in possession of any chlorophyll and without any Chlorophyll we are not
able to absorb any energy from light, which is then used to make sure that
Photosynthesis takes place. Enzymes are an important factor in letting
Photosynthesis take place. They are important because the Enzymes help
accelerate the chemical reaction (Photosynthesis) and they will make sure that
the substrates changes into products to either being released or stored by the
plant. The word equation for Photosynthesis is:

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 Green roofs can be used as an
alternative source to help improve the air quality. This is because it is also
cheap and easy to install, easier than the alternative energy sources that will
replace the fossil fuels one day.



The green roofs, are a realistic and ideal solution to improve our
air quality, and help diminish the ozone layer around the Planet, which is
warming up our Planet. Photosynthesis helps get rid of CO2 and
provide oxygen, the opposite of us humans or animals. Green roofs provide a
durable roof and cooling. Both these things are very beneficial to your
electricity costs. Rainwater absorption, is another beneficial factor, since
the vegetation or plants are able to absorb a lot of water for their
Photosynthesis. Instead of the normal roofs that let rainwater flow down from
them and in the case of heavy waterfall will not prevent the sewers from
overflowing. That could lead to structural damage in the whole neighborhood or
even cause Sewer Backup, which can lead, in the worst case scenarios, to health
hazards. Sewer Backups is when sewage pipes are overflowing from the heavy
rainfall and will be able to cause dirty or used water to be sent back up drain
pipes. Food production is also a very beneficial factor in green roofs, since
you are able to grow food on your roof. Helping the ever growing cities in
being able to supply the necessary needs and nutrients a human body needs.
Endangered insects or plants can be preserved or helped out of their endangered
state, since the green roofs can act as stepping-stones, where the insects can
stop before going to their nests or where the insects can find the necessary
things that they need. Finally, if you live in a busy and loud city, the green
roofs are able to dampen the sound of what is happening outside, and leave you
with silence.


What green roof layers are made up of is very unsustainable, since
the materials that they are made up of is all engineered materials. ‘The medium is high in minerals and
low in organic matter (less than 8%)’ (“Green
Roofs | Soil Science Society Of America” 2018). This shows us that the
overall result of green roofs, maybe look sustainable, but is instead is made
up of very unsustainable components. Not every house, can have a green roof,
reducing the accessibility for everyone. The added weight of the green roofs,
can be too heavy for some roofs, since some walls or roofs are too thin to
support the green roofs, and will collapse if the weight will be too much. ‘Thin, lightweight systems, known as “extensive”
green roofs typically have a planting media measuring 2 to 6 inches deep, while
heavier, thicker varieties are known as “intensive” green roofs and
range in thickness from 6 to 18 inches or deeper’ (Salter 2018). This shows that on average these planting medias need
to be very thick to support something like a green roof. Leaks may occur
in the structure, since some roots may go through the root resistant layer and even
the waterproof membrane. When this happens, large structural damage to the
house will occur, which may be very disastrous and cause major repair jobs or
lead to other problems within the house.


In conclusion, I think that green roofs are a great solution to the
ever increasing CO2 levels in our world. They are not only very
sustainable, but very cheap and easy to install, compared to the alternative
energy sources. They are also even beneficial to the owner who installs them
and conserves electricity that could have been used instead on heating and
cooling. However, the accessibility makes it very hard to make sure that
everyone is able to have a green roof, and that if the weather becomes drier
and less rainfall is expected the plants will not be able to survive.