Практикум по синхронному переводу с русского языка на английский

"have become more serious and require immediate solution." Even shorter
would be "these ever more urgent problems require immediate solution."

5. 
   государства — участники конференции — when talking about a treaty,
   государства-участники are always "states-parties," not participants. In
   reference to a conference, however, they can be either.
   

5. 
   с учетом — this does not have to be translated as "which takes into
   account..." An expression such as "fully acknowledges" is much shorter.
   Simply "recognizes the need" would also be a good solution.
   

5. 
   найдет отклик — this requires a bit of rephrasing. "Will find favor
   with" is too old-fashioned. The basic idea is that it will meet with the
   approval of or be backed by others. "Response" or "reaction" as a
   translation for отклик could lead to an awkward sentence, such as "will
   be reacted to favorably by..."
   

10. 
    в них проживает — even shorter, though requiring some restructuring
    is "They are home to at least ten per cent of the world's population, who
    are dependent on mountain resources."
    

10. 
    не случайно — the simplest way out of this one is probably the much-
    used "It is not fortuitous that," which sounds better in English than "it is
    no accident that." In some contexts "It is with good reason that" can be
    used, though here that docs not work.
    

10.