He later said, "we must re-discuss the commitments made".
But one of the commitments made in Rio was to reduce car-related carbon-dioxide emissions.
The commitments made by school visitors and reading helpers cannot be a flash in the pan.
The commitments made so far under the Paris agreement would allow warming of close to 3C.
But the commitments made at Paris would at best cap warming to 2.7C.
I am, nevertheless, sceptical of the commitments made by rich countries to achieving these goals.
The commitments made at COP21 may still fall short of a 2C response.
"The commitments made so far are far from what we expected," The Associated Press quoted him as saying.
Steffen Seibert, her spokesman, insists that the new Greek government must meet the commitments made by the outgoing one.
The commitments made by the Palestinians were very strong, as strong as any we have ever seen.
A senior UK government source said it stood by the commitments made in the communiqué, while a European Union official at the summit said it would "stick to the commitments made by all participants".
