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One of the ways this is done is by simply crushing the coal into small chunks and washing it . The European Commission estimates that halving protectionist measures could boost the world economy by almost $ 400 billion . Individuals can reduce their intake of salt by carefully checking the labels of processed foods used in the home and choosing fresh fruits , vegetables , and meats without sauces and dressings when eating away from home . While once controlled by relatively benign hippie growers and opportunists in the " emerald triangle " in Humboldt , Trinity and Mendocino counties , Mexican drug syndicates have muscled into the business over the past years , government authorities say , ratcheting up production and profits and well as violence to protect their crops . Similarly , too many utopian speculations stack the deck by simply wishing away critical problems or spuriously defining them as non-problems - - - one is left with a wish-fulfillment fantasy in which the world is simply made nice forever by authorial magic . By almost anyone 's standards , the U sells a lot of tickets each year - - about 1.2 million just between athletics events on the Twin Cities campus and arts events through the Northrop Ticket Office . Improving energy efficiency and solving the problems generated by increasingly dense server form factors is a community effort that requires contributions from semiconductor , system , software , and data center operation vendors .