http://news.nationalgeographic.com/news/energy/2010/12/101203-amazon-brazil-carbon-market-deforestation/

Different large companies are offsetting their carbon emissions by buying land in the amazon and preserving it."Brazil is wary of letting foreigners essentially buy rights to the Amazon in order to keep polluting".Rather than endorse a patchwork of independent REDD projects, Brazil encourages countries to donate to its new Climate Change Fund and to an Amazon Fund managed by its national development bank. Norway has pledged $1 billion by 2015.