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The natural environment, commonly referred to simply as the environment, is all living and non-living things that occur naturally on Earth or some part of it (e.g. the natural environment in a country).
The human ecosystem concept is based on the human/nature dichotomy and the idea that all species are ecologically dependent on each other, as well as with the abiotic constituents of their biotope. [45] A smaller unit of size is called a microecosystem. For example, a microsystem can be a stone and all the life under it.
Human geography – one of the two main subfields of geography is the study of human use and understanding of the world and the processes that have affected it. Human geography broadly differs from physical geography in that it focuses on the built environment and how space is created, viewed, and managed by humans, as well as the influence humans have on the space they occupy.
The five themes of geography are an educational tool for teaching geography. The five themes were published in 1984 [ 1 ] and widely adopted by teachers, textbook publishers, and curriculum designers in the United States. [ 2 ]
This is an alphabetical list of environmental issues, harmful aspects of human activity on the biophysical environment. They are loosely divided into causes, effects and mitigation, noting that effects are interconnected and can cause new effects.
A nomological notion of human nature – "Human nature is the set of properties that humans tend to possess as a result of the evolution of their species." [ 95 ] Machery clarifies that, to count as being "a result of evolution", a property must have an ultimate explanation in Ernst Mayr 's sense.
The field is today characterized by a notable diversity of stylistic, philosophical and cultural approaches to human environmental relationships, from personal and poetic reflections on environmental experience and arguments for panpsychism to Malthusian applications of game theory or the question of how to put an economic value on nature's ...
Natural hazards are excluded as a cause; however human activities can indirectly affect phenomena such as floods and bush fires. This is considered to be an important topic of the 21st century due to the implications land degradation has upon agronomic productivity, the environment, and its effects on food security. [76]