4° may refer to: *4°, or Quarto a book or pamphlet produced from full 'blanksheets', each of which is printed with eight pages of text, four to a side *4°, a reference to a 4-degrees Celsius increase in the global average temperature due to climate change,

4 Degrees and Beyond International Climate Conference The 4 Degrees and Beyond International Climate Conference, subtitled ''Implications of a Global Climate Change of 4+ Degrees for People, Ecosystems and the Earth-system'', was held 28–30 September 2009 at Oxford, United Kingdom. The three-day c ...

*"4°", the third single by the progressive rock band

Tool A tool is an object that can extend an individual's ability to modify features of the surrounding environment or help them accomplish a particular task. Although many animals use simple tools, only human beings, whose use of stone tools dates ba ...

from their 1993 album '' Undertow'' *"4 Degrees", the first single by experimental pop singer Anohni from her 2016 album ''

Hopelessness Depression is a mental state of low mood and aversion to activity, which affects more than 280 million people of all ages (about 3.5% of the global population). Classified medically as a mental and behavioral disorder, the experience of ...

See also