Complex sentence: In 2010, the city cut its budget for rodent control programs by $1.5 million to help reduce an overall deficit of $2 billion and by 2012, the rat infestation in New York City is out of control.
Split into simpler sentences: In 2010, the city cut its budget for rodent control programs by $1.5 million to help reduce an overall deficit of $2 billion. In response, the rat infestation in New York City is out of control.