What places in russia need the attention of conservationists? why? 2)what is done in yosemite now to help preserve it for future generations& (написать на "ответы" хотя бы 2 предложения на каждый вопрос)*0*

Massive deforestation caused deep changes in land hydrology and soil water regime. As a consequence, increased erosion, appeared devastating floods, shallow rivers and fresh water was a problem, increased in many regions of the withering work climate.
 
In addition to the depletion of natural resources, industrial development has created a new problem - the problem of environmental pollution. Were heavily contaminated with industrial waste water mainly, air, soil. These pollutants not only extremely negative impact on the fertility of soils, vegetation and wildlife, but also began to represent a significant risk to human health. To date, not kept a single corner of the 'Earth, where there would be no impact on nature. Even in Antarctica marked fallout.
 
To Russia for the last goal with the fallout over 4 million tons and 1.25 million tons of sulfur nitrate nitrogen. The strongest acid rains in the central (industrial) areas. For example, in Moscow and its surrounding areas, as well as St. Petersburg - with rains in zashyu annual precipitation of more than 1 ton of sulfur per square km. The acidity of precipitation decreases in the coastal zone of northern, western and eastern Siberian seas. The most prosperous region in this regard recognizes the Republic of Sakha (Yakutia) ("Moskovsky Komsomolets", 17/09/97, the)