The annual deviations shown in the chart have been adjusted to be relative to the period 1850-1899 (for Hadley Centre/CRU) and 1880-1899 (for NASA/GISS) to better monitor the EU objective not to exceed 2 ºC above pre-industrial values. Over Europe average annual temperatures during the real pre-industrial period (1750-1799) were very similar to those during 1850-1899.
If needed use cling film and paper instead of aluminium foil when you prepare your lunch. Reducing the amount of materials you use will reduce the amount of rubbish you throw away and this is good news for the environment!
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