Titlebook: Saving Our Planet; Challenges and hopes Mostafa K. Tolba Book 1992 United Nations Environment Programme 1992 atmospheric pollution.degradat

压倒性胜利

Mostafa K. Tolbas), educational establishments (secondary, primary and middle) and health centres units..Ideal standard distances, studied internationally, were considered in order to analyse the proximity of the facilities for the dwellings of the residents, we used the functionalities of the geographic informatio

Endoscope

Industrystrial market economies, on the other hand, the contribution of industry to GDP decreased from 42 per cent in 1965 to 35 per cent in 1989 (2,3, 4). This can be attributed to the general downturn and stagnation in industrial output in these countries since the early 1980s.

熄灭

Transportaccount for a large share of road transport use in developing countries. In some countries, bicycles are important: in 1989 China and India together had an estimated 600 million bicycles (1); and cycling has for long been popular in The Netherlands, Denmark and some other European countries.

Intentional

Tourismver the past two decades, the bulk of tourism went to Western Europe, North America, Eastern Europe and the Soviet Union, and East Asia and the Pacific (Figure 15.2). The Mediterranean region accounted for an average of 36 per cent of international tourism (2).

菊花

exigent

Land degradation and desertificationhe world’s potentially cultivable land has been estimated at about 3200 million ha, more than twice the area currently used asopland. About 70 per cent of potentially cultivable land in the developed countries, and 36 per cent in the developing countries, is currently cultivated (Chapter 11).

BILE

Deforestation and degradation of forestsd fauna (see Chapter 8). Forests also provide timber and firewood, as well as medicinal and other plants of use to humankind. The role of forests as carbon sinks to reduce the effects of carbon dioxide in the atmosphere, and thereby help to contain global warming, is well-established (Chapter 3).

Consensus

不整齐

Population growth and human developmentle in the world has been rising since the 1970s: the 1990s will witness the largest average annual increment to world population in history (Figure 16.3, on page 180). After this, population growth should slow down and by 2110 the world population may reach a stationary level of 10.5 billion (1, 2).

NOTCH

Book 1992 on the state of the environment but alsoon the interactions between development activities and theenvironment. It highlights the main responses since 1972 to protectthe environment. .It is based on a wide-ranging review of the scientific literatue, UNEPreports (and other sources) and over 500 refer