We are contributing to the climate change not necessarily causing it. The climate has changed significantly several times without humans in the past. http://jo

We are contributing to the climate change not necessarily causing it. The climate has changed significantly several times without humans in the past. http://joannenova.com.au/2010/02/the-big-picture-65-million-years-of-temperature-swings/ http://joannenova.com.au/2010/02/the-big-picture-65-million-... http://jonova.s3.amazonaws.com/graphs/lappi/65_Myr_Climate_Change_Rev.jpg http://jonova.s3.amazonaws.com/graphs/lappi/65_Myr_Climate_C...