allAfrica
[The Conversation Africa] US president Donald Trump's efforts to derail a successful wrap-up of the G20 summit in Johannesburg failed. Trump boycotted the meeting and the US told other countries through diplomatic channels not to sign a communiqué. Nevertheless, the 19 remaining countries and regional organisations signed a 30-page declaration. This called for, among other things, increased funding for renewable energy projects, more equitable critical mineral supply chains and debt relief for poorer countries. Senior