Representatives from Germany, the UK, the Marshall Islands and a number of other countries came together to issue a call for a fossil fuel roadmap

We should not fear the forces of denial and delay, UK Energy Secretary Ed Miliband has warned, because “they are losing this fight”.

Speaking to delegates at Cop30, the Labour politician acknowledged the existence of climate deniers and delayers across the world – including in the UK – and described them as “well funded, well organised, and determined”.

As the summit goes into its second week, complex issues remain with anxiety growing over conference outcomes

Colombia will host a first international conference on the phase out of fossil fuels in April next year, according to advocates of more ambitious action to eliminate the main source of the gases that are heating the planet.

The South American country, which has demonstrated strong climate leadership in recent years, is among a group of 17 nations that have joined the Fossil Fuel Non-Proliferation Treaty Initiative which held a press conference on its plans at Cop30 on Monday.

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

• Cop30: click here for full Guardian coverage of climate talks in Brazil

China and wealthy petrostates including Saudi Arabia and UAE are among countries receiving large sums of climate finance, according to an analysis.

The Guardian and Carbon Brief analysed previously unreported submissions to the UN, along with data from the Organisation for Economic Cooperation and Development (OECD), that show how billions of dollars of public money is being committed to the fight against global heating.