many fisherman are following paolo fanciulli's lead. >> so paolo fanciulli doesn't stand alone.it is up to politicians to define the rules. a challenge that goes beyond national borders. preserving the riches of nature that still remain has long become a global task -- we met up with german environment minister peter altmaier and asked him to explain what biodiversity means to him. >> for me it means protecting this inheritance as these animal species have developed over hundreds of millions of years. there's a huge number of them. each has its place in the ecosystem, its niche, its role in nature. and if these species are decimated in a short period of time we won't be able to bring them back -- not in our lifetime or in our children's. up to now we've had a un environment program in kenya; klaus tÖpfer was its director for many years. but this program is very small and not influential enough. that's why we want it to become a real organization -- like unesco or the un food and agriculture organization -- because we believe that environmental protection is as important as cultu