
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.
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The summit is supposed to work out a 'rulebook' for nations to follow to fulfill their Paris Agreement climate pledges.
Ahead of U.N. climate talks, studies show carbon dioxide released in 2018 will be the biggest increase in seven years.
Air pollution concentrations tied to greenhouse gases worsened in almost 70% of cities from 2010 to 2016.
The Group of 20 expressed concern about the future of the World Trade Organization, which Trump threatened to leave.
Global greenhouse gas emissions, rather than fall, rose in 2017 by 0.7 gigatons to 53.5 gigatons, after three years of decreases.
At the U.N. General Assembly, the U.S. president attacked the world body as a largely useless "global bureaucracy."
The concept of a demilitarization zone goes back almost a half-millennium to Europe's rules on demolishing forts.
Ocean areas and deep seabeds beyond national jurisdictions fall within a patchwork of rules for the global commons.
The report from the U.N.'s Nobel Prize-winning climate panel aims to strenghten nations' actions under the Paris treaty.
A summit with the U.S. could expand North Korea's little-known involvement with international organizations.