The G20 summit will be a diplomatic test for veteran President Luiz Inacio Lula da Silva who has boosted Brazil's global standing since returning to power but drawn fire for his positions on Ukraine and Gaza.
Trillions of dollars are needed to make poorer nations more resilient to climate change, and studies have estimated that every $1 invested today will save at least $4 in future.
'There is no climate crisis,' Liberty Energy founder has declared
Climate change is responsible for nearly a fifth of the record number of dengue cases worldwide this year, US researchers said on Saturday, seeking to shine a light on how rising temperatures help spread disease.
Donald Trump's Republican allies in Congress showed up at UN climate talks to tout natural gas and nuclear energy, but they tiptoed around the elephant in the room: a looming US withdrawal from the Paris agreement.
Hundreds of protesters marched in support of Palestinians in Rio on Saturday, in a demonstration aimed at world leaders about to converge on the city for a G20 summit.
French President Emmanuel Macron will stress the importance of international action on climate change at talks Saturday with his right-wing Argentine counterpart Javier Milei who pulled his country out of the COP29 climate talks.
US President Joe Biden and Chinese counterpart Xi Jinping will hold their last meeting Saturday, a day after both leaders warned of turbulent times ahead as Donald Trump returns to the White House.
Germany's Greens have been environmental trailblazers but their top candidate, Robert Habeck, goes into snap national elections bruised by three stormy years in government that ended in a political crisis.
The UN's climate chief urged G20 leaders on Saturday to push COP29 talks towards a deal to raise money for developing nations as diplomats struggled to find common ground in marathon negotiations.
A powerful storm sweeping towards the Philippines intensified into a super typhoon on Saturday, the state weather forecaster said, warning of "significant to severe impacts" from the wind and "life-threatening" storm surges.
As winter descends on Gaza's tent cities, emergency housing made from mushrooms could keep out the cold -- just one of several sustainable, home-grown innovations put forward by Arab designers at an expo in Dubai.
Philippine authorities ordered all vessels back to shore and people in coastal communities to leave their homes Saturday as Typhoon Man-yi neared the storm-weary archipelago nation, with forecasters expecting it to intensify before making landfall.
Argentina's abrupt snub of COP29 climate talks in Azerbaijan has raised alarm that President Javier Milei -- an ally to US President-elect Donald Trump -- could be looking at pulling out of the Paris accord.
US vice president Al Gore told AFP Friday it was "absurd" for petrostates such as Azerbaijan to host UN climate talks, saying the selection process should be overhauled.
Oil executives descended on the COP29 talks in Baku for "energy day" on Friday as environmental groups denounced the presence of fossil fuel industry lobbyists at the UN climate talks.
Former US vice president Al Gore believes a second Donald Trump term in the White House may have little impact on the "momentum" of the world's fight against climate change.
G20 leaders gather in Brazil on Monday for a G20 summit set to be dominated by differences over wars in the Middle East and Ukraine, and implications of Donald Trump's White House return.