Differentiated efforts Option 1: In accordance with Article 4, paragraph 2, of the Convention, developed country Parties and other Parties included in Annex I shall undertake quantified economy-wide absolute emission reduction and limitation commitments/targets, which are comparable, measurable, reportable and verifiable, cover all greenhouse gases and are implemented domestically without any conditions. 3bis. In accordance with Article 4, paragraphs 1, 3, 4, 5 and 7, of the Convention, developing country Parties should undertake diversified enhanced mitigation actions/efforts in a measurable, reportable, and verifiable manner, in the context of sustainable development and supported and enabled by the provision of adequate finance, technology and capacity-building by developed country Parties. Option 2: Option (a): Each Party that has previously [communicated] [implemented] absolute economy-wide emissions reduction or limitation targets should continue to do so and all Parties should aim to do so over time. Option (b): Developed country Parties [and other Parties [in a position][that determine] to do so] should take the lead in mitigation efforts, including by [communicating] [and implementing] absolute economy-wide emissions reduction [or limitation] targets and all other Parties should aim to do so over time. 3bis [Developed country Parties should continue to take the lead].2

Hold the increase in the global average temperature [below 1.5 °C] [or] [well] [below 2 °C] above preindustrial levels by ensuring deep cuts in global greenhouse gas [net] emissions;