The Political Centrist is an excellent work that embraces the challenge of finding reason in between the path that the left and the right have chosen, or better described as evolved into.
The Arctic Ice is melting at an alarming rate, which could leave the North Pole virtually ice free within 10 to 30 years. Paleoclimate analysis indicates that the Arctic has probably not been ice free for about 3 million years.
While the 'Greenhouse Effect' has been known for nearly 200 years it was not until the 1950's with the aid of studies funded by the US military that the major components of the theory were well understood. This largely had to do with understanding the atmospheric composition in the stratosphere but there are many interesting pieces to the puzzle of climate science.
In 2009, a New York Times article highlighted the the increasing problem of 'increasing weight'. The specific issue Mayor Bloomberg is attempting to address with 'reasonable' regulation is the ability to buy unhealthy sugared drinks with public funds. This was of course responded to the by the appropriate special interest assigned to protect the right to profit at the expense of the public, namely - The 'American Beverage Association'.