reporter: murcia is one of europe's sunniest regions.ut you won't see solar panels on many roofs here. not even solar farmers like antonio have solar panels at home. this is because the spanish government levies a tax on home-owners who install them. antonio: i think it's appalling that the government wants money from us for using a natural resource like the sun. as you can see, our roofs are unused. no solar cells anywhere, unlike the countries in northern europe, where many people use solar energy for their own consumption. reporter: but antonio alcaraz isn't letting it get him down. he wants to be a role model for his children, and he is convinced that clean energy is possible -- especially in sunny spain. michelle: when you have an emergency, in many cases, you call the police. but what if the police have a problem? who do they call? sweden's police force is in turmoil, complain some of their officers. structures and practices that had existed for decades were abandoned in the name of improved performance and greater efficiency. now,