Carbon pricing can command broad political support. But to do so, it needs to be accompanied by other policies and spending that support social and development goals, while at the same time supporting a just transition for workers and communities affected by the imposition of such taxes, writes Helen Mountford.

We are no doubt living in challenging times, with cities so often the focal point of social tensions that are felt well beyond their limits. But cities also offer us so many solutions. For the good of their entire countries today and tomorrow, we need national leaders to seize the new urban opportunity, writes Nick Stern.

The climate crisis does not begin or stop with Africa, but African countries can play a leadership role in seizing the opportunities of a better future. The world's larger economies have a responsibility to unlock this future, for themselves and for others, writes Ngozi Okonjo-Iweala.

How can Africa realize economic prosperity without contributing further to climate change? The solution lies in a kind of Green New Deal – a comprehensive strategy for achieving sustainable growth, including through coordinated, large-scale investment in renewable-energy deployment, writes Carlos Lopes.

Invest in cleaning up the hard-to-abate sectors such as cement and steel so that new infrastructure is green, writes Naina Lal Kidwai.