Fiona Harvey

Analysis published at Cop30 summit shows adhering to pledges offers world hope of avoiding climate breakdown

With temperatures breaching the Paris limit, experts say tackling the powerful gas could buy crucial time as the clean-energy shift stalls

Marina Silva says contentious plan would be ‘ethical answer’ to climate crisis but does not commit Brazil to it

Investigation by Guardian and Carbon Brief finds just a fifth of funds to fight global heating went to poorest 44 countries

In this week’s newsletter: Critics have yet come up with an alternative that would truly bring all countries together to work to solve the climate crisis

Exclusive interview with ex-US vice-president at Cop30 also reveals his hope around much-maligned climate summit

Faltering governments will be blamed for famine and conflict abroad, and face stagnation and inflation at home, says climate chief at start of Cop30

Brazil’s André Corrêa do Lago says countries should follow China’s lead on clean energy as conference begins

Cop returns to its Brazilian roots and attempts to map a path to crucial emissions cuts that navigates financial, scientific and ethical aspects of the climate crisis

Host uses Indigenous concepts and changes agenda to help delegates agree on ways to meet existing climate goals