Historical Settlement of Liberia and Its Environmental Impact. By SYRULWA L. SOMAH. Lanham, MD, New York, and London: University Press of America, 1995. Pp. i–xvii [unpaginated] + 153. $42.00 (ISBN 0-8191-9653-3); $29.50, paperback (ISBN 0-8191-9654-1).

1997 ◽  
Vol 38 (1) ◽  
pp. 123-177
Author(s):  
JAMES L. A. WEBB
Keyword(s):  
New York ◽  
Environmental Impact ◽  
Environmental Problems ◽  
Historical Study

This book will disappoint readers who expect an historical study of the environmental impact of Americo–Liberian settlement. It is, rather, a polemical survey of the environmental problems which have beset Liberia and a normative prescription for Liberia's environmental and political future.

scholarly journals Production of Sustainable Concrete by Using Challenging Environmentally Friendly Materials Instead of Cement

2021 ◽  
Author(s):  
Abebe Demissew Gashahun
Keyword(s):  
Environmental Impact ◽  
Environmentally Friendly ◽  
Environmental Problems ◽  
Cementitious Materials ◽  
Sustainable Concrete

The environmental problems accompanying concrete come from cement. This means that the final product i.e., concrete is an environmentally sociable material by itself. This guides us to play on the concrete constituents which cause the largest environmental impact, which is cement. Therefore, if we can abate cement amount and increase cementing materials which can substitute cement for concrete, we will be able to minimize the concrete impact on the environment. The saving of cement quantity in concrete can be realized by substituting it with diverse extra cementitious materials which are a by-product of another industry and waste of agriculture.

Extreme Informatics

2011 ◽  
pp. 437-449 ◽  
Author(s):  
Mark Shepard
Keyword(s):  
New York ◽  
Information Systems ◽  
Environmental Impact ◽  
Urban Space ◽  
Public Spaces ◽  
Social Implications ◽  
Urban Informatics ◽  
Ambient Displays ◽  
The City ◽  
Display Systems

What happens to urban space given a hypothetical future where all information loses its body, that is, when it is offloaded from the material substrate of the physical city1 to the personal, portable, or ambient displays of tomorrow’s urban information systems? This chapter explores the spatial, technological and social implications of an extreme urban informatics regime. It investigates the total virtualization of the marks, signage, signaling and display systems by which we locate, orient ourselves, and navigate through the city. Taking as a vehicle a series of digitally manipulated photographs of specific locations in New York, this study analyzes the environmental impact of a pervasive evacuation of information–at various sites and scales–from the sidewalks, buildings, streets, intersections, infrastructures and public spaces of a fictional future De-saturated City.

scholarly journals Ecofriendly bricks elaborated from coal waste of Moroccan Jerrada Mining

2018 ◽  
Vol 149 ◽  
pp. 01043
Author(s):  
H. Ez-zaki ◽  
A. Diouri ◽  
A. Bouregba ◽  
F. Amor ◽  
S. Chhaiba ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Environmental Impact ◽  
Mechanical Strength ◽  
Solid Waste ◽  
Room Temperature ◽  
Environmental Problems ◽  
Second Step ◽  
Coal Waste ◽  
Industrial Activity ◽  
Marble Dust

Solid waste generated during mining is one of the major environmental problems associated with this industrial activity. The best solution to overcome the environmental impact of this waste is to find recycling facilities in mass-produced products that can absorb the large quantities of these available byproducts. The present study shows the feasibility of using the coal waste of Moroccan Jerrada mining in the production of ecological brick. The first step consists of consecutive stages of crushing, grinding and heating at 650°C of the coal waste with a small amount of lime in order to promote the reactive products of elaborated binders. The second step of the process consists of mixing treated coal waste with a small amount of marble dust, sand, gravel, and water, then pressed and dried at room temperature to manufacture a laboratory ecofriendly bricks. The mechanical strength and thermal conductivity are investigated.

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