decrease of the energy produced by fossil fuels.

discovery of natural resources millions of year ago.

artificial decomposition of plants, animals and natural gas.

disintegration of plants and animals under extremely cold conditions.

deterioration of the remains of living beings caused by heat and pressure.

oil reached the maximum volume of sales last century.

alternative sources of fuel are being employed at their peak capacity.

the world consumption of fossil fuels has been growing uncontrollably.

natural gas and coal are not suitable as replacements of oil in industrial settings.

fossil fuels emerged as the major energy source long 50 before the Industrial Revolution.

“more than 3/4...” (lines 16) refers to the quantity of fossil fuels reserves consumed along the year.

“...over 43.4 percent...” (line 18) refers to the share that oil represents in the overall quantity of energy consumed globally.

“15.6 percent” (lines 19-20) refers to the amount of natural gas resources annually consumed in North America.

“8.3 percent” (line 20) refers to the share of coal used only for heating American homes.

“...nearly 25 percent...” (line 21) indicates the percentage of fossil fuels saved in North America.

acid rain

water vapor

ash emissions

greenhouse gas

sulfur, nitrogen and carbon releases

expansion of secure activities, such as mining for coal and drilling for oil.

substitution of fossil fuels for natural gas, because this is a harmless source of energy.

development of new technologies in producing energy from fossil fuels and natural resources.

adoption of proper treatment techniques in all salt water reservoirs and the surrounding ecosystem.

elimination of the existing regulations and the charge of fines for those who do not adopt conservation measures.