![]() ![]() ![]() The danger grows with the increase in average temperature above what is called the pre-industrial level - the mid-18th century. New information makes clear that reaching the tipping point is a much more immediate threat than was previously thought. Beyond that, as unwelcome changes in the earth's reaction to extra warmth continue, it is theoretically possible to trigger runaway climate change, making the earth's atmosphere so different that most of life would be threatened.Īs with a lot of climate science, what used to be theory is now being seen in practice on the ground. The tipping point in many scientists' view is the 2˚C rise that the EU has adopted as the maximum limit that mankind can risk. Once the temperature rises a certain amount then all the ice caps will melt. This is where a small amount of warming sets off unstoppable changes, for example the melting of the ice caps. The phrase "tipping point" is heard a lot more from scientists. Plants and trees that take carbon dioxide out of the atmosphere die back, creating a vicious circle as the climate gets hotter and hotter. ![]() As the atmosphere heats up, more greenhouse gases are released from the soil and seas. Runaway climate change is a theory of how things might go badly wrong for the planet if a relatively small warming of the earth upsets the normal checks and balances that keep the climate in equilibrium. ![]()
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