Air pollution is the introduction of chemicals, particulate matter, or biological materials that cause harm or discomfort to humans or other living organisms, or cause damage to the natural environment or built environment, into the atmosphere.
The atmosphere is a complex dynamic
* Tropical Rainforest
* Very dense vegetation- Trees, ferns, palms, epiphytes and lianas grow in close proximity to each other.
* Great diversity of plant species- In one hectare of forest, ther
Global Deforestation [pic]
It is impossible to overstate the importance of humankind's clearing of the forests. The transformation of forested lands by human actions represents one of the great forces in global environmental change and one of the great drivers of biodiversity loss. The impact of
Throughout most of history, humans were hunter gatherers who hunted within forests. In most areas, such as the Amazon, the tropics, Central America, and the Caribbean, only after shortages of wood and other forest products occur are policies implemented to ensure forest r
Afforestation is the planting of trees for commercial purposes, usually on land supporting non-forest veld types, e.g. grassland or fynbos. This differs from reafforestation which is the restocking of existing forests and woodlands which have been depleted.
Less than 0,5% of South Africa is cover
What is Afforestation?
Afforestation is the process of planting trees, or sowing seeds, in a barren land devoid of any trees to create a forest. The term should not be confused with reforestation, which is the process of specifically planting native trees into a forest that has decreasing numbers o
The rainforest is under threat from destruction but why is it being destroyed?
An area the size of a football pitch is being destroyed every second.
Structure of the Rainforest
The rainforest is made up of 4 layers:
Emergent Layer- The tallest trees are in this layer they can be 200
Deforestation refers to the cutting, clearing, and removal of rainforest or related ecosystems into less bio-diverse ecosystems such as pasture, cropland, or plantations. Examples of deforestation include conversion of forestland to farms, ranches, or urban use. Thus
Afforestation is the planting of trees to create a forest on non-forest land. It is different fromreforestation, which is replanting trees where a forest has been depleted. The main purposes for implementing afforestation are commercial forestry and environmental restoration or preservation.
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For other uses, see Deforestation (disambiguation).
Satellite photograph of deforestation in progress in the Tierras Bajas project in eastern Bolivia.
Deforestation, clearance or clearing is the removal of a fo
Deforestation, clearance or clearing is the removal of a forest or stand of trees where the land is thereafter converted to a non-forest use. Examples of deforestation include conversion of forestland to farms, ranches, or urban use. The ter
Solutions for Deforestation-Free Wood Products (2012)
Smart choices by consumers, businesses, and governments can significantly reduce the impacts of logging in tropical forests
Download: Wood for Good: Solutions for Deforestation-Free Wood Products (2012)
Wood from tropical forests is used to c
Deforestation is a prosperous business. Land is cleared to make room for infrastructures and other transportation which links once inaccessible populations to valued marketplaces and vice-versa. The scope of the problem with deforestation has been seen world-wide from the Brazilian...
Deforestation of the Pacific Northwest
One of the most controversial areas associated with the global problem
of deforestation is the Pacific Northwest of the US. The problem can be broken
down into several issues that all tie in together. These include the near
extinction of the Northern Spotte
Effects of Deforestation
The subject of deforestation and the effects that it has on the
environment have been heavily debated for a long time; particularly over the
last few years. Governments and large lumber companies see large profits in the
mass deforestation of forests and state that their
"This land is where we know where to find all that it provides for us--food
from hunting and fishing, and farms, building and tool materials,
medicines. This land keeps us together within its mountains; we come to
understand that we are not just a few people or separate villages, but one
If a tree falls in the woods and no one?s there to hear it, does it make a sound? Or rather, if a tree falls in the woods and no one?s there to hear it, does anybody even care? This saying epitomizes the world?s current view on deforestation, most notably in the Brazilian Amazon, which i