security and health. experts point out that protecting those ecosystems is one of the best ways to counter climate change. healthy forests store carbon, mangrove swamps absorb flood water and elephants act as ecosystem engineers, excavating waterholes and fertilising land. but money is the key. for every dollar governments spend on nature, four dollars is spent on subsidies for agriculture, forestry and fisheries that exploit and degrade it. marco lambertini is the director general of wwf international. thanks very much indeed for joining arts. so what is the cost of reversing this trend, and how likely are we to get it? , ., ., ., it? first of all, today s event. it? first of all, today s event, with it? first of all, today s event, with more - it? first of all, today s event, with more thanj it? first of all, today s i event, with more than 90 it? first of all, today s - event, with more than 90 heads of state subscribing is a great