The figure shows the change in yearly cumulated area of the Greenland ice sheet and it's melt during the period 1979 to 2011 in percentage relative to area in 1979=100. The linear trend 1979–2011 is included.
Fettweis, X., M. Tedesco, M. van den Broeke, and J. Ettema. 2011. ‘Melting Trends over the Greenland Ice Sheet (1958–2009) from Spaceborne Microwave Data and Regional Climate Models’. The Cryosphere 5 (2): 359–375. doi:10.5194/tc-5-359-2011.
% (1979 = 100 %)
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At the office, encourage your colleagues to re-use the other side of paper and print less by archiving their emails and attachments. You can also try and create paperless habits. Some studies show that office paper consumption is rising by 20 % per year and web-based technology is actually increasing the printing of documents. On average each worker uses about 50 sheets of A4 per day. Must you print?
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