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 Physical object, object that can extend an individual's ability to modify features of the surrounding environment or help them accomplish a particular task. Although many Tool use by animals, animals use simple tools, only human bei ...

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

Anohni Anohni Hegarty (formerly Antony Hegarty), styled as ANOHNI, is an American singer, songwriter, and visual artist. She has presented solo work and as the lead singer of the band Anohni and the Johnsons, formerly known as Antony and the Johnsons. ...

from her 2016 album ''

Hopelessness Depression is a mental state of low mood and aversion to activity. It affects about 3.5% of the global population, or about 280 million people worldwide, as of 2020. Depression affects a person's thoughts, behavior, feelings, and sense o ...

See also