by John Green, American Thinker:
A perpetual motion machine is an imaginary device that can accomplish more work than the energy it consumes. Inventors have devised countless concepts for such a machine, but none has worked because all of them violate the 1st law of thermodynamics: energy cannot be created or destroyed, only converted into other forms. An internal combustion engine converts chemical energy into horsepower. An atom bomb converts nuclear energy into heat. In the real world, a machine’s output is always less than its input.
The world is 
There are many reasons to halt the drive to eliminate fossil fuels. The charge toward renewables isn’t rational; it’s the fanaticism of a quasi-religious cult.
Bjorn Lomborg, author and president of the Copenhagen Consensus, continues to call attention to the extreme measures being demanded by climate change activists and politicians.
