The host of the US-North Korea summit practices "orchid diplomacy" — more than 200 orchids have been named after foreign dignitaries.
Singapore is aiming to become a zero-waste nation. But only 6 percent of plastic waste generated last year was recycled.
European refiners are winding down oil purchases from Iran, closing the door on a fifth of the OPEC member's crude exports after the United States imposed sanctions on Tehran, company and trading sources said.
A river of lava spewing from the foot of Hawaii's Kilauea Volcano swallowed about three dozen more homes on the Big Island during a weekend of destruction that brought to nearly 120 the number of dwellings devoured since last month, officials said.
The death toll from a volcanic eruption in Guatemala rose to 69 on Monday as family members desperately searched for the missing in makeshift morgues and on streets blanketed with ash.
If the research is successful, such computer systems would be able to think for themselves, scouring huge amounts of data, including satellite imagery, with a speed and accuracy beyond the capability of humans, to look for signs of preparations for a missile launch.
The problem in Vietnam has become so bad that some people in tourist areas have started handing out reusable bags made from rattan, and use newspapers to wrap market produce.
In El Salvador, diversity in the coffee crop is helping to ward off disease.
Starting in early 2019, Stockton Mayor Michael Tubbs plans to provide the monthly stipend to a select group of residents as part of a privately funded 18-month experiment to assess how people use the money.
Finance leaders of the closest US allies vented anger over the Trump administration's metal import tariffs on Saturday, ending a three-day meeting with a stern rebuke of Washington and setting up a heated fight at a G7 summit next week in Quebec.