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
plant and animal species are now threatened with extinction. wildlife populations have dropped on average by 68% since 1970, that is unprecedented, and damage to our ecosystems has a direct impact on others, our livelihoods, food security and health. experts say that protecting those ecosystems is one of the best ways to counter climate change in itself. i think boris engineers by excavating waterholes and fertilising the land. money is the key there is a figure, but for every dollar that governments do spend a nature, $4 governments do spend a nature, $a is spent on agriculture, forestry and fisheries, which exploit and degrade it. i spoke to the director general of the wwf about what steps are being taken to meet the challenge.