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Trees hold secrets & icky carbons

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The Arbor Day Foundation. Most Popular Trees at arborday. Hardiness Zone Lookup at arborday. Enter your zip code in the form below, and we'll tell you where you fall in the Hardiness zones database. More about hardiness zones. Enter the first five digits of the ZIP code below: The Plant Hardiness Zones divide the United States and Canada into 11 areas based on a 10 degree Fahrenheit difference in the average annual minimum temperature.

Tree Planting - How to Plant a Tree. While planting each of these different types of trees differs in the details, all trees eventually end up in a hole.

Tree Planting - How to Plant a Tree

But not any old hole will do. The most common mistake when planting a tree is a digging hole, which is both too deep and too narrow. Too deep and the roots don’t have access to sufficient oxygen to ensure proper growth. Peacekeepers plant trees in Côte d’Ivoire to fight climate change. 30 November 2009 – United Nations peacekeepers planted nearly 600 trees in a botanical garden in Côte d’Ivoire over the weekend, a small but symbolic step in a project to combat climate change that has already surpassed its target of 7 billion trees – one for every person in the world.

peacekeepers plant trees in Côte d’Ivoire to fight climate change

The planting in the town of Bingerville follows a similar ceremony in neighbouring Liberia where UN blue helmets planted 1,000 trees earlier this year as part of the initiative launched by UN Environment Programme (UNEP) to plant 7 billion trees by the end of 2009, a goal it reached in September. With the destruction of natural forests emitting more greenhouse gases every year than the transport sector, planting trees – which absorb carbon dioxide and store nearly 300 gigatons of carbon in their biomass – provides a crucial defence in the fight against global warming.