erm now, perhaps we come back to what can we do at this end, and i think friends of the earth has done an excellent job in bringing it to peoples' attention that large areas of tropical forest are being destroyed at roughly the rate of 0.7 or 0.8 percent of the forest each year, erm and they, you know i'm in agreement with them on the fact that forest is disappearing, it's dangerous in many places, it's catastrophic in some, for instance, particularly in west africa, the clearing that's gone on in the ivory coast is pretty disastrous, and erm there are indications that the west african strip of forest along the strip of the west african coast by removing that you're going to make not only that area slightly drier, but mainly the northern areas of those countries, and the  drier, so it may well affect climate.