Environmental problems in cities in the South: sharing my confusions

Author(s):  
David Satterthwaite
2021 ◽  
Vol 25 (1) ◽  
pp. 54-59
Author(s):  
I.V. Zenkov ◽  
E.V. Loginova ◽  
N.E. Gilts ◽  
E.M. Sycheva ◽  
P.M. Kondrashov ◽  
...  

The results of the study of the ecological state of disturbed lands in the course of opencast mining of copper-zinc ore deposits in the territory of two regions of the South Urals are presented. The necessity of reclamation of waste dumps has been substantiated. Technological and organizational regulations have been developed, the implementation of which will contribute to an increase in the efficiency of work to restore the eco-balance on the waste dumps of mining enterprises.


1995 ◽  
Vol 3 (2) ◽  
pp. 195-207
Author(s):  
Walther Manshard

An attempt is made to describe the global urban situation, stressing important aspects of cross-cultural links and environmental problems for the urban development of sub-Saharan Africa. As a consequence of Agenda 21, passed at the United Nations Conference on Environment and Development in Rio de Janeiro (1992), there exists an urgent and growing need to analyse further and assess the research and planning of urban development in the South.


1962 ◽  
Vol 24 (2) ◽  
pp. 303-322 ◽  
Author(s):  
Bernard Cosman
Keyword(s):  

2000 ◽  
Vol 179 ◽  
pp. 201-204
Author(s):  
Vojtech Rušin ◽  
Milan Minarovjech ◽  
Milan Rybanský

AbstractLong-term cyclic variations in the distribution of prominences and intensities of green (530.3 nm) and red (637.4 nm) coronal emission lines over solar cycles 18–23 are presented. Polar prominence branches will reach the poles at different epochs in cycle 23: the north branch at the beginning in 2002 and the south branch a year later (2003), respectively. The local maxima of intensities in the green line show both poleward- and equatorward-migrating branches. The poleward branches will reach the poles around cycle maxima like prominences, while the equatorward branches show a duration of 18 years and will end in cycle minima (2007). The red corona shows mostly equatorward branches. The possibility that these branches begin to develop at high latitudes in the preceding cycles cannot be excluded.


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