The world's problems are so staggering that they sometimes feel completely unchangeable. Every day seems to leave more suffering, disease and tragedy in its wake. There's no question that our problems are vast, but what would it really cost to solve some of greatest human tragedies we face? Here are some stats that put the world's problems in perspective: 1. For $26 billion more a year, we could provide a basic education to every child in the world by 2015. That's according to a UNESCO study published in Sept. 2013. That might seem like a lot, but let's consider that... The U.S. drops an annual $25 billion on golf. 2. For $990, a farmer can get training in dairy production and four milk-producing animals. A Heifer International Cheeses of the World" basket provides a goat, a sheep, a water buffalo and a heifer so that a family living in poverty can produce and sell dairy products. That certainly isn't chump-change, but in the U.S... Families spend an average of $1,139 on [a] prom. 3. For $190 billion a year, we could cut the number of people without access to clean water and basic sanitation facilities in half. In 2012, the World Health Organization predicted that its Millennium Development Goal of providing access to clean water and basic sanitation for half of those who currently lack it would require a $190 billion annual investment for five years. At the time of the report, 783 million people had subpar drinking water, and 2.5 billion people lacked access to proper sanitation facilities. Meanwhile, the U.S. loses $190 billion in annual federal and state revenue due to offshore tax dodges.

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