anx_I__cpt_22__cpt_5__cpt_1__text_3
The average temperature of the Earth's surface has increased by about 0,8 °C over the past 100 years and is projected to increase by between 1,8 to 4 °C by the end of the 21st century (relative to the 1980-1999 average) IPCC 4th Assessment Report, 2007, (www.ipcc.ch). . The likely impacts on natural and human systems associated with these changes will challenge the planet and its ability to adapt, as well as threaten future economic development and the well being of humanity.
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Source: EUR-Lex (Cellar) · retrieved 2026-11-03 · Text as adopted (Official Journal); later amendments are not incorporated in this text.