Utting, P. (1994) ‘Social and Political Dimensions of Environmental Protection in Central America’, Development and Change , Vol. 25, pp. 231–59.Utting, P. (1994) ‘The Social and Political Dimensions of Environmental Protection in Central America’, Development and Change , Vol. 25, No...
Periplocoideae, Secamonoideae and Asclepiadoideae, treated until recently as the family Asclepiadaceae, contain ± 3400 species in about 230 genera. There are three main centres of diversity – eastern and southern Africa, SE Asia, and Central and South America. This paper summarises the ...
In the late 1970’s,many people in North America turned their attention to environmental problems ,and new steel — and — glass skyscrapers were widely criticized. Some ecologists (生态学家)pointed out that a number of tall buildings in a city often overburden public transportation.Skyscrapers ar...
In the late 1970’s,many people in North America turned their attention to environmental problems .and new steel - and - glass skyscrapers were widely criticized. Some ecologists pointed out that a number of tall buildings in a city often overburden publ
, the inadequacy of these methods cannot be ruled out29. One way to overcome these potential problems is to use innovative and recently developed econometric methods that cater to time instability and heterogeneity problems commonly found in the baseline model. For instance, the heterogeneous panel ...
On the other hand, Colombia occupies fourth place in Latin America for oil production, and despite the economic incentives, their related activities have caused several environmental problems (Cusaria, 2004). For instance, between 1986 and 1998, about 2 million barrels of crude oil were spilled ...
TheJuanDiazRiverisoneofthemostpollutedinPanama.Wastesystemsintheareaarepoor,andlanddevelopmentisnotwellsupervised(监督).TheriveralsopassesthroughPanamaCity,oneofCentralAmerica’slargestcities.Still,thewaterwayanditsmangrovetreesarehometowildlifeliketurtlesandbirds.Accordingtothissituation,theenvironmentalgroupMareaVerd...
Research over the past three decades has provided rich empirical evidence for the inverted U-shaped EKC theory, but current problems facing advancing climate mitigation actions require us to re-examine the shape of global EKC rigorously. This paper exami
Chapter 1 Environmental Problems, Their Causes, and :1章环境问题,及其产生的原因,并环境,及其,一,their,and,Their,THEIR,AND,1章 环境,一章 环境 文档格式: .doc 文档大小: 341.5K 文档页数: 35页 顶/踩数: 0 / 0 收藏人数: 0 评论次数: 0 文档热度: 文档分类: 外语学习 -- 英语读物 ...
in Central Himalaya, Nepal Poor regeneration of oak forest has been observed in north America and Eurasia. In the Himalaya it has mainly been explained by anthropogenic pressures. Th... OR Vetaas - 《Plant Ecology》 被引量: 109发表: 2000年 ENVIRONMENTAL HEALTH RISKS AND GENDER IN THE ...