By 2050, the cost of adapting to climate change in developing countries could reach US$100 billion per year. The International Air Passenger Adaptation Levy (IAPAL), a proposed new purchase tax on air tickets, offers a potential source for these funds. In its first year, IAPAL could raise up to $10 billion for adaptation.
Read more: http://pubs.iied.org/16504IIED.html : http://pubs.iied.org/16504IIED.html
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