this is bbc news. i m sally bundock with the latest business headlines for viewers in the uk and around the world. after years of negotiations and four prime ministers, rishi sunak and the eu s ursula von der leyen hammer out a fresh post brexit deal for northern ireland. the plan is to do away with some big barriers to domestic trade hampering imports from the rest of the uk. businesses see this as very positive and some of the big issues they ve been raising have now been addressed. celebration in the boardroom. the uk reaches a target three years early to have more women at executive level in ftse 350 companies. running dry. unrest in spain over how best
this is cowboys cologne. reporter: sarah riviera s garden saves her time and money, but most importantly water. in the winter i don t really have to water, maybe every three or four weeks, maybe not at all if there s rain. in the summer, every seven to ten days. reporter: this kind of water conservation may soon be mandated. there s not enough water. everybody wants more of it. reporter: these seven states have not been able to agree on how to achieve unprecedented water cuts. months of bitter negotiations have collapsed, and it s now california versus everyone else. california s side is that they essentially made a deal back in the late 60s, early 70s that, if things are going to be running dry, they get
reporter: this kind of water conservation might be mandated and states that depend on the colorado river s vanishing water. there s not enough water. everybody wants more of it. reporter: these seven states have not been able to agree on how to achieve unprecedented water cuts. months of bitter negotiations have collapsed and it s now california versus everyone else. california s side is that they essentially made a deal back in the late 60s, early 70s, if things are going to be running dry, they get guaranteed a certain amount. the other states are saying, well, yes, but we ve got this real crisis. let s do it in a different way. reporter: ucla professor says the law and the size of the state give california an advantage. what we re saying is let s do it slowly and gradually. let s talk about how we do it.
reporter: these seven states have not been able to agree on how to achieve unprecedented water cuts. months of bitter negotiations have collapsed, and it s now california versus everyone else. california s side is that they essentially made a deal back in the late 60s, early 70s that if things are going to be running dry, then they get guaranteed a certain amount. the other states are saying, well, yes, but we ve got this real crisis, so let s do it in a different way. reporter: ucla professor jonathan zas ov says the law and the size of the state give california an advantage. what we re saying is let s do it slowly and gradually. let s talk about how we do it because we need to collaborate. we have rights. water rights are at the table. reporter: but the six other states are showing their strength through a coalition. i think all six of us will