Google searches of the term "renewable energy" peaked in March of 2009. Since then, Google searches for renewable energy having been trending downwards. In comparison, searches of the term "fracking" really started to take off in late 2010 and hit a record high in February of this year.
Here is a regional map of searches for renewable energy. Searchers in Europe, Africa, India, and Australia have shown strong interest in renewable energy.
Here is a regional map of searches for fracking. Notice how much search interest there is in this term coming from the US and South Africa.