World faces 'stress test' of dangerous conflicts and climate change
Huge security threats loom from the crisis in Yemen to Afghanistan's fighting to the U.S.-China trade war.
Paris Agreement 2015
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Japanese pullout from organization marks return to commercial whaling
Japan will leave the International Whaling Commission, which will drop to 88 members, and resume whaling in April.
Fridays for Future student climate protests escalate around the world
The strikes are not affiliated with any political party but support international organizations seeking emissions cuts.
Nations agree to Paris climate rulebook at U.N.-brokered talks
Negotiators overcame a deadlock on a crucial element about how nations must report their greenhouse gas emissions.
Leaders appeal for action and unity at polarized U.N. climate talks
The summit is supposed to work out a 'rulebook' for nations to follow to fulfill their Paris Agreement climate pledges.
Global health care systems hang in the balance of U.N. climate talks
Air pollution concentrations tied to greenhouse gases worsened in almost 70% of cities from 2010 to 2016.
Global trading rules galvanize G-20 leaders amid U.S.-China tensions
The Group of 20 expressed concern about the future of the World Trade Organization, which Trump threatened to leave.
Leaders from Canada, Mexico and U.S. send 'NAFTA 2.0' to lawmakers
The trade deal fulfills U.S. President Donald Trump's pledge to replace the 1994 North American Free Trade Agreement.
Nations' plans for cutting carbon emissions are dangerously off-track
Global greenhouse gas emissions, rather than fall, rose in 2017 by 0.7 gigatons to 53.5 gigatons, after three years of decreases.
U.S. midterm elections will revise America's international outlook
Democrats vowed to redirect, block or investigate the U.S. president's foreign and domestic programs and priorities.
Move over tobacco, air pollution is the next major public health target
As much as 91% of the world's population breathes unhealthy air, which is why it's the focus of a global health conference.
Experts dash false hopes that climate change won't bring misery
The Nobel Prize-winning U.N. panel on climate change said it's life or death for much of the planet as soon as 2040.
U.S. ordered by U.N. tribunal to lift some economic sanctions on Iran
Judges ruled sanctions reinstated by the Trump administration breached a treaty between Iran and the U.S.
Trump calls U.N. 'unaccountable' in boastful attack on multilateralism
At the U.N. General Assembly, the U.S. president attacked the world body as a largely useless "global bureaucracy."
Nuclear power's complexities emerge in the age of climate change
The picture is complicated by safety and environmental concerns and IAEA's dual roles as watchdog and promoter.
Under U.S. pressure, WTO welcomes revamp from G-20 trade ministers
The World Trade Organization is a major target of the Trump administration, which prefers to let the U.S. set its own tariffs.