It has always struck me as barmy that the contribution that trees make to the planet has not been better quantified; now it has:
The global economy is losing more money from the disappearance of forests than through the current banking crisis, according to an EU-commissioned study.
It puts the annual cost of forest loss at between $2 trillion and $5 trillion.
The figure comes from adding the value of the various services that forests perform, such as providing clean water and absorbing carbon dioxide.
The study, headed by a Deutsche Bank economist, parallels the Stern Review into the economics of climate change.
Think about that, and then think of the continuing destruction of forests around the world - in the Amazon, in Africa, in Indonesia, in Russia. This really is the literal equivalent of sawing off the branch on which the whole of humanity sits....