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Saturday 16 July 2011

How does planting trees help?

Carbon trading, environmental footprints, offsets... these terms are often used to describe environmental efforts and programs. A common element in many of these is tree planting. And here’s why.
Among other things, World Vision's One Earth program includes projects that involve tree-planting and revegetation of barren land. Tree planting is one of the simplest and most effective ways of tackling climate change caused by greenhouse gas.

As trees grow they absorb carbon dioxide (CO2), a major greenhouse gas in the atmosphere. By planting trees, we hope to reduce the impacts of climate change on communities around the world; impacts which include poverty, hunger, economic disadvantage, displacement and homelessness.

Of course, tree planting – no matter where it is in the world – must take a number of factors into consideration, including available water supplies and suitability to the area. In almost all cases, indigenous trees will be the first choice for new planting, though sometimes, hardy exotic species will be introduced.

One Earth ensures that trees are planted in the height of the rainy season and when there is already moisture in the soil, giving the trees the best chance of survival.

In Ethiopia, World Vision plants indigenous trees - such as Erythrina and Podocarpus - in highland areas. In countries like Senegal native Baobab and Bauhinia species are planted and regenerated.

Though new tree planting is carried out in lots of areas, in some locations it is more beneficial to work with communities to regenerate degraded trees or vegetation. In most cases, natural regeneration is a quicker and cheaper process to grow trees because of the already established root systems.

Source:  http://www.worldvision.com.au/Issues/Climate_Change/What_is_this_about_/How_does_planting_trees_help_.aspx

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