we spoke to elisabeth thompson. she is the former minister for energy and environment of barbados and now the coordinator at rio plus 20 for developing countries. we asked her for her bottom line of what needs to come out of rio. >> some of the other things i think we'll definitely come away with are agreement on issues like water, and energy and food security, which are all very important. how do we do it in three days? the truth is that the process is already very much ongoing. we've been negotiating now at the government level since january of this year. fossil fuel interests are powerful and entrenched. and it is easy to live with what we already know. it's easier to remain where you are than to get up and go somewhere else. so that change is never easy. there is some lip service, but i think that the market itself is driving changes. you have the fact that consumers are making choices which are more environmentally safe, which are more environmentally sound. there is a whole movement toward whole food and organ