Costa Rica: Carbon-Neutral by 2021? Can ignoring pollution be off-set by planting trees?
Costa Rica aims to cut its net greenhouse gas emissions to zero by 2021 in a push to make the Central American nation the first on Earth to offset all its carbon. Costa Rican President Oscar Arias, jockeying for a global leadership role on climate change, was one of five keynote speakers to address the UN Climate Change Summit on Sept. 22, 2009 calling on the world to shift military spending to fight global warming — to “save our species from the real enemy.” But while Arias wins kudos …
101 Ways to MAKE FIRE - #7 The Devil’s Breath
The process of making it is very simple and can be observed along many rural roads in the developing world. A stack of wood is set alight, but is covered with a mound of earth. In the absence of air, we get something called incomplete combustion. The wood cannot burn. Instead it chars. Normally, when you burn wood, all the carbohydrates combine with oxygen to form carbon dioxide and water vapour. All that is left is the fine ash resulting from the small amount of minerals in the wood. (This …
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By N2H