Geology - Earth and Humans and Their Mutual Interaction

For many thousands of years, humans were agas emissions, which support the greenhouse effect
component of natural ecological systems of theand produce smog.
earth. When humans began to live a sedentary life,Acid rain, which is one of the products of the
they developed through creation of cultural landscapeautomobile exhaust gases and of the coal burning,
new ecological systems of their own..damages our forests and rivers. Forests are dying
When more than 500 000 years ago humans startedout, a situation that has a far-reaching impact on
to use fire, wood was the most important source ofplants, people, and animals The balanced state of the
energy. Approximately in the 18th century humanswaters of the past is losing its equilibrium due to
began to use fossil fuels. At that time, first steamnumerous foreign and toxic materials penetrating into
machines were developed, signalling the beginning ofthe water table. This decimates the fish population,
the technological development. Today, all around theand the situation is so serious, that some of the
world every existing type of energy is beingkinds of commercial fish became extinct.
exploited, which requires large investments. ThisHumans have to take care in the near future and
causes heavy burden on the environment, and thisseek new solutions that would enable us to continue
trend is constantly increasing. Toxic matters,living a quality life on this earth even in the future. By
originating in the industrial and agricultural wastes,means of regional and extra-regional programs, the
pollute underground waters, soil, and oceans.search for new ways, which would mitigate the
Industrial fuel-burning processes used in manufacturedestruction of nature and preserve it as much as
of many natural and synthetic materials produce toxicpossible, goes on.