The greenhouse effect being a natural phenomenon is directly affected by human activities such as new industrial processes, more extensive agriculture and a rapid increase in the world's population causing global warming. Greenhouse effect is like a "double jeopardy". Without the natural ...

Recently, the carbon tax issue has been gaining increasing attention in Australia due to its function of reducing greenhouse gas as well as its extensive economic impacts on a range of industries, such as tourism and hospitality. The conceptual meaning of the carbon tax is "a levy applied to...

INTRODUCTION Human population in the past 48 years has more than doubled its seize, from 2.5 billion in 1950 to 5.9 billion in 1998 . A few month ago the Secrtary of the United Nation declared a baby as the No. 6 billion citezen of the earth. As you may have noticed, human population has reached a...

INTRODUCTION Human population in the past 48 years has more than doubled its seize, from 2.5 billion in 1950 to 5.9 billion in 1998 . A few month ago the Secrtary of the United Nation declared a baby as the No. 6 billion citezen of the earth. As you may have noticed, human population has reached a...