Although i have agreed to support scenario 1 scenario2 is also very important and relevant, the expression "Calm Before the Storm" springs to mind. The earth has experienced many climate changes in its brief life and will probably experience many more after we are all gone, before the last ice age there was a period warmth similar to what we are starting to go through now but these changes take hundreds to thousands of years. The reason i have chosen to support scenario 1 is the fact that the human race have definitely contributed to Global Warming (Climate Change) and continue to do so. Everyone talks about destruction of the rain forests but i think its more relevant when you see it in your own area, there is a map in Havant Museum of 1865 showing almost unbroken Forrest from Langstone Harbour to Petersfield known as the Forrest of Bere now that same Forrest has been decimated to just a small area around Petersfield, when you look at a recent OS map you can see the dramatic difference.
If anyone would like to give me their views/feedback please feel free to send them to me at (tashunkawitco@hotmail.co.uk) many Thanks.