What if man is responsible for the type pf weather the UK/Europe is experiencing now? When the planet warms it may reach critical stages that change weather pattern/setups. Example, in the UK once the mean annual temperature reaches 10C and sustained year on, this might trigger a set of advents that change weather patterns slightly and we get stuck in a self replicating mode, as it's self replicating it add more and more heat into the equation once the mean temperature nears 11C, changes happen again reinforcing the replication. C4, Britain's drowned world - Time team special, were looking for neolithic remains under the north sea (as this was once land connecting the UK to Europe). A scientist spoke about how the mean temperature of Europe rose by 7C in just 15 years, flooding the bridge between the UK and Europe! I am not for one moment suggesting that this is going to happen now, but it does illustrate how at times in the past history of the earth's climate, sudden violent changes can occur. The worrying aspect of this warming trend is how will this affect nature and the wildlife?