Results 251 to 260 of about 1,227,583 (287)

Characterizing space-time patterns of nitrogen oxides (NO 2 and NO) pollution in Kigali, Rwanda

open access: yes
Karekezi P   +16 more
europepmc   +1 more source

Roads, roads everywhere

Science, 2015
Ecology Over the past century, an ever-expanding network of roads has spread over our planet. In a Perspective, Haddad considers the environmental impacts of this network. Roads often lead to land-use change as people clear newly accessible land for agriculture or housing.
openaire   +1 more source

Private Roads

Journal of Urban Economics, 1995
Summary: This paper investigates the feasibility of private toll-supported roads, in direct competition with a (free) public expressway. The results are surprisingly encouraging: private sector involvement can succeed under widely varying circumstances.
openaire   +2 more sources

Road rush [road building]

Engineering & Technology, 2013
The damage that building roads has on the landscape is well documented. From deforestation and the unwanted spread of exotic species, to territory fragmentation and chemical changes in the local environment, the ecological effects are devastating. This paper presents a soon to be revealed global map for road building that could show planners how to ...
openaire   +1 more source

Road Accidents And Road Structure

Nature, 1944
The figures for the two decades prior to the War show that the number of accidents was roughly proportional to the total number of vehicles using the highways ....
openaire   +1 more source

Home - About - Disclaimer - Privacy