According to aip.org, the global mean temperature prior to the industrial revolution (c. 1870), was about 13.6 degrees celsius. The global mean temperature, as calculated using a five year average is 14.5 degrees celsius. This comes out to a .9 degree celsius warming over the past 150 years.
Click here to cancel reply.
Sorry,At this time user registration is disabled. We will open registration soon!
Don't have an account? Click Here to Signup
© Copyright GreenAnswers.com LLC