A papal messenger of climate action and 'hope, humility and humanity'
U.N. leaders hailed Pope Francis as a champion of the environment and tireless advocate of refugees and migrants.
Paris Agreement 2015
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The Elders' chair Santos: The next U.N. chief 'should be a woman'
Colombia's former president Juan Manuel Santos says his nation's peace process benefited from women leaders.
'Spiraling weather and climate impacts’ from record carbon levels
The U.N. weather agency says some human-induced effects will be 'irreversible over hundreds if not thousands of years.'
Scattered climate follow-through as more scientists offer grim updates
Record heat and rightward political shifts toward nationalist self-interest undermine efforts to cut fossil fuel dependence.
Trump's climate retreat diverges from global shift to green initiatives
Trump's speech to Davos contrasted sharply with other leaders' creation of a Global Energy Transition Forum.
U.N. chief warns Davos crowd of a 'rudderless' and overheating world
His remarks were aimed at focusing attention on rising global temperatures and unregulated artificial intelligence.
Trump announces U.S. exit from climate treaty, U.N. health agency
The process of forcing the United States to withdraw from the Paris climate treaty and WHO will take a year to complete.
Trump strongly rejects international cooperation. Round 2 is underway.
Here's a timeline of Trump's actions involving international organizations and treaties, from his first term to the present.
WEF says Trump to join Davos virtually after retaking White House
Børge Brende, WEF's president, said there is "a greater level of global uncertainty than we have seen in a generation."
2024 is warmest year on record, surpassing 1.5° Paris treaty target
The U.N. weather agency says the Paris Agreement's long-term temperature goal is "not yet dead but in grave danger."
Debate over plastic production limits scuttles global treaty talks
Nations for plastic production limits and oil-rich producers deadlocked in the hours before the talks were set to expire.
What to expect from the COP29 climate 'finance' summit in Baku
Nations have mobilized $100 billion a year for climate financing; now, more than $1 trillion a year may be needed.
Trump won't be able to reverse Biden's climate law, Gore predicts
After four decades of climate advocacy, the former U.S. vice president still leads global resistance to fossil fuels.
Atmospheric CO2 is accumulating faster than any time we've known
In 1958, climatologist Charles David Keeling pioneered CO2 measurement in the atmosphere on a Hawaiian volcano.
New U.N. climate report warns 'quantum leap in ambition' needed
When nations update their pledges to cut greenhouse gas emissions next year, only a massive improvement will work.
Global demand for electricity is growing at a record pace, IEA says
A new report shows governments and consumers face tough choices over cheap supplies and surging electricity demand.