Trend in heating degree days in the EU-27 (1980 - 2009). Eurostat calculates heating degree days as (18 °C - Tmean) if Tmean is lower than 15 °C (heating threshold) and zero if Tmean is greater than or equal 15 °C; Tmean is the mean daily outdoor temperature, calculated as Tmean = (Tmin + Tmax / 2)
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If everyone on earth lived a European lifestyle, we would need three planets to supply all the resources. Do not fall into the trap of consumerism and make a shopping list of items you need rather than picking up unnecessary items that you think you need. This will also save you money.
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