If you also got a global warming essay assignment, the facts listed below may be useful for your academic work. Without it, the temperature of the atmospheric surface layers would be on average 30 degrees below the actual one.
However, in the last decades, the content of some greenhouse gases in the air has grown very much: carbon dioxide - more than 1/3, methane - in 2.5 times.
And how to write a research paper thesis we will discuss below.
The Earth's biosphere is currently subject to serious anthropogenic impact.
As a result of an increase in the population, intensive industrialization and urbanization of our planet, economic pressure began to exceed the ability of ecological systems to self-purification and regeneration.
A natural cycle of substances in the biosphere was disrupted.
The forest degradation is very noticeable with significant air pollution.
Fly ash, coal and coke dust clog the pores of leaves, reduce the access of light to plants and weaken the process of assimilation.
A consumption of non-renewable raw materials intensifies.
More and more arable lands drop out of the economy as cities and factories are built on them.