Heavy metals are considered as persistent water pollutants. Where do heavy metals come from, and how are these toxic substances transported and distributed? This article reviews several literature along these concerns. The introduction of substantial chemical, physical or biological material into the coastal zone from land-based sources due to industrialization as well as natural processes such … Read more
Understand environmental economics by reading this article. There is worldwide recognition that natural resources are finite. Hence, if used improperly, resources become scarce and finally get exhausted through time. Anything in this world that gets scarce becomes more important, much more valuable than when it was in great supply. There is a need, therefore, to manage … Read more
What is the role of a bird such as the greater coucal, a species of cuckoo, in the forest ecosystem? How will removal of its forest habitat compromise the other components of the ecosystem? This article explains how displacement and possible extinction of a bird species can impact on their habitat as well as human … Read more
How do you decide if, indeed, there is a statistically significant relationship between two variables in your study? What does the p-value output in statistical software analysis mean? This article explains the concept and provides examples with computations and video tutorial. What does a researcher mean if he says there is a statistically significant relationship … Read more
Updated: January 10, 2026 Why do we need to save endangered species? Of what use are wildlife nearing extinction to the human race? This article lists four reasons why we should save endangered species. Some people do not understand the importance of keeping a healthy population of animals or plants on the planet. This article, … Read more