hello welcome to sophie and komi sophie shevardnadze a world that's dependent on oil gas and coal is becoming a thing of the past with renewal energy becoming cheaper and more widespread every year. but is solar and wind power as reliable as it is clean well we talked to mean the director general of the international renewable energy agency. a warming planet and the drive to curb pollution is giving the new book energy a book just as we search for a way to shake off our fossil fuel addiction completely renewable energy has become more affordable than ever and so will our reliance on extracting fossil fuels slowly become a thing of the past how reliable is solar wind hydro for joe.

hello welcome to sophie and komi sophie shevardnadze a world that's dependent on oil gas and coal is becoming a thing of the past was renewable energy becoming cheaper and more widespread every year. but is solar and wind power as reliable as it is clean well we talked to mean the director general of the international renewable energy agency. a warming planet and the drive to curb lucian is giving renewable energy as from search for a way to shake off our fossil fuel.

welcome to sophie and komi sophie shevardnadze for five years twenty six sailors were held captive by somali pirates before they eventually walked free but there are other cases where people still are being held hostage. how can you keep pirates at bay while we ask the man who's negotiated the pirate groups to secure the release of hostages the coordinator of the hostage support partnership for oceans beyond piracy organization colonel john is with me today. from the gulf of guinea into the horn of africa to the streets of singapore is a pricey piracies as real today as ever. and putting people lives in danger so what is a more than pirates are their preferred targets and what needs to be done to contain the threat. colonel john stevens coordinator of the hostage support partnership for oceans beyond piracy is senior adviser to u.n. . maritime crime program it's great to have you on our program welcome so you have negotiated with pirates to free hostages many times who are they an organized crime unit hardened professional types or just individual criminals randomly banded together. a