Английский для специалистов по защите окружающей среды и безопасности жизнедеятельности. Ульянова О.В. - 42 стр.

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metropolis of Rome. In the 15th century, Bavaria created laws restricting the
development and degradation of alpine country that constituted the region's
water supply. In the mid-19th century in London Joseph Bazalgette designed
the first major sewerage system. The introduction of drinking water treat-
ment and sewage treatment in industrialized countries reduced waterborne
diseases.
The field emerged as a separate environmental discipline during the
middle third of the 20th century in response to widespread public concern
about water and pollution and increasingly extensive environmental quality
degradation. However, its roots extend back to early efforts in public health
engineering.
In many cases, as societies grew, actions that were intended to achieve
benefits for those societies had longer-term impacts which reduced other
environmental qualities. One example is the widespread application of DDT
(dichlorodiphenyltrichloroethane) to control agricultural pests in the years
following World War II. While the agricultural benefits were outstanding and
crop yields increased dramatically, thus reducing world hunger substantially,
and malaria was controlled better than it ever had been, numerous species
were brought to the verge of extinction due to the impact of the DDT on
their reproductive cycles. The story of DDT as vividly told in Rachel Car-
son's «Silent Spring» is considered to be the birth of the modern environ-
mental movement and the development of the modern field of environmental
engineering.
Conservation movements and laws restricting public actions that would
harm the environment have been developed by various societies for millen-
nia. Notable examples are the laws decreeing the construction of sewers in
London and Paris in the 19th century and the creation of the U.S. national
park system in the early 20th century.
GRAMMAR REVIEW
Revise TENSES IN PASSIVE VOICE (Appendix 1, §1.1). and do Activities
4,5.
4. In each pair of sentences (A/B) mark the correct one.
A. People’s health affects the quality of their environment.
B. People’s health is affected by the quality of their environment.
A. The earliest sewers were utilized in ancient India.

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