Even the pledges of the widely praised Paris Agreement of the parties to the United Nations Framework Convention on Climate Change (UNFCCC) leave fossil fuels near 75% of energy supply in 2030, when the commitments end.
It might, for instance, be a challenge to sustain K-RITH after the HHMI commitment ends in 2018.
The draft declaration calls for an "urgent global response" and reaffirms the commitment to end the epidemic by 2030.
Let's hold Cameron's feet to the fire and ensure he delivers on the commitment to end the pay gap this generation.
The commitment to end child poverty by 2020 will be kept, although it admits that it is "very unlikely to be met".
The primacy of the commitment to end slavery was the point of Lincoln's exaltation of freedom in the Gettysburg Address.
He said: "While seemingly supporting the commitment to end fossil fuel subsidies, the EU and the US are using TTIP to give themselves a get-out clause.
Both Conservatives and Lib Dems promised to adhere to the commitment to end child poverty by 2020 in their manifestos, and that promise is reflected here.
Another reason is that a central thrust of the model is the commitment to end both relative and absolute poverty.
We can either make the commitment to end the AIDS epidemic or spend billions of dollars each year for generations to come.
