NATO's most powerful member tries to reassure rest of alliance and world
As summit host, Biden's administration projected unity for Ukraine and deflected concern about Trump.
Americas
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NATO at 75 grapples with a 'constant threat of new types of attacks'
The Biden administration hosts a celebration for an expanding NATO's 75th anniversary amid political turmoil.
Biodiversity summit to focus on profit sharing from DNA sequences
Negotiators released new U.N. proposals to share revenues from drugs, cosmetics, and agricultural biotechnology.
Along the Rio Grande, disputes over water heat up with climate change
A little known international organization is in charge of mediating U.S.-Mexico water sharing during a time of drought.
Opinion | Science will prevail over profits for a planet of plastic eaters
Some pointed to a recent landmark human rights ruling on climate change as a potential use for a Global Plastics Treaty.
Nations disagree over cuts in production on road to plastics treaty
Environmentalists said they were disappointed the treaty talks did not address plastic production measures.
Negotiators meet in fourth round over global rules in plastics treaty
The chair of the talks called for optimism despite divisions among plastic-producing nations and those urging restraints.
Haiti on brink of collapse, famine as the rule of criminal gangs spreads
Escalating violence prompts U.N. condemnation as lawless gangs terrorize and displace thousands and impede aid.
Global climate change is pushing natural systems to the 'tipping point'
Warming threatens to upend ecosystems from Mongolia and the Amazon to crucial ocean currents in the North Atlantic.
Brazil vows to push for elusive U.N. reforms during its G-20 presidency
Non-veto wielding nations have tried for years to reform the U.N.'s post-World War II power structure with little success.
Trump says he'd encourage Russia to attack 'delinquent' NATO members
The former U.S. president indicated that he would violate the North Atlantic Treaty if re-elected to the White House.
U.N. council seat adds twist to Guyana-Venezuela tensions
Guyana, an impoverished former British colony, controls the Essequibo region and the US$1 billion a year it generates.
Threats of diminished U.S. role in U.N. returns with political season
Nikki Haley has adopted Trump's hard line against U.N. participation but stopped short of calling for total withdrawal.
Amazon nations renew cooperation but fall short on deforestation plan
The Amazon Cooperation Treaty Organization agreed on some policies but not a unified goal to end deforestation.
U.S. rejoins UNESCO as countermove to China's growing influence
The United States signaled its intent to return to UNESCO and pay arrears after China became its biggest contributor and a Chinese diplomat took over as deputy chief.
Fearing precedent, Pentagon won't cooperate with top global court
A top U.S. diplomatic official said the ICC won't pursue war crimes charges against Americans if the U.S. courts handle it.