President Donald Trump has blocked the acquisition of a U.S. computer chip manufacturer by a Chinese company, calling it a threat to national security. The Chinese-owned Canyon Bridge Fund has sought to take over Oregon-based Lattice Semiconductor Corp. The U.S. Treasury Department, acting under Trump’s orders, said Wednesday it is …

As Congress looks into ways to fix the immigration system, often with the goal of safeguarding job opportunities for U.S. workers, at least one immigration organization argues that current federal regulations fail to protect foreign visa holders from job misrepresentation, recruitment fees, exploitation, fraud and discrimination. Four women who came …

Pittsburgh, once a dynamo of heavy industry, will soon become home to the United States’ largest urban farm, part of what advocates say is a trend to transform former manufacturing cities into green gardens. The Hilltop Urban Farm will open in 2019, consisting of 23 acres (9 hectares) of farmland …

Leaders of Cameroon’s indigenous forest peoples say their survival is at risk if they are further deprived of access to the lands that are the source of their livelihoods. Speaking in Cameroon’s capital, Yaoundé, indigenous representatives said they had experienced increasingly serious violations of their land rights by palm oil …

Gambia is negotiating deals with three private companies to crack down on rampant illegal fishing in its territorial waters, a senior official with the fisheries ministry told Reuters. Made possible by poor monitoring capacity and, in some cases, corrupt local officials, illegal fishing costs West Africa’s coastal nations about $2.3 …

Ukrainian Prime Minister Volodymyr Groysman on Wednesday said the government was committed to implementing reforms backed by the International Monetary Fund, following a meeting with IMF first deputy managing director David Lipton. Ukraine has so far received $8.4 billion from the IMF, helping it to recover from a two-year recession …

Tanzania’s government has been cracking down on irregularities in the mining sector, most recently confiscating diamonds worth $15 million from British company Petra Diamonds, accusing it of devaluing exports. And in July, the government demanded gold miner Acacia pay $190 billion in what it asserted were unpaid taxes, saying the …

Amazon.com Inc. is preparing to open a 1 million square-foot warehouse near Mexico City, sources familiar with the project said, part of an effort to boost its presence in Mexico’s nascent e-commerce industry. The new warehouse is slated to be built in the Tepotzotlan municipality about 25 miles (40 km) …

In this upper Midwestern state known for dairy, beer and Harley-Davidson motorcycles, ginseng growers want to make sure that the bitter root also gets its due. So they’ve organized the first International Wisconsin Ginseng Festival. Set for Friday through Sunday in this mid-state river town, it will feature the root’s …

Facing a backlash in Europe over palm oil’s environmental toll, the world’s top producers are scrambling to find new markets and even striking unusual barter deals, such as exchanging Sukhoi jets for the edible oil. The European Union is the second-largest palm oil export destination after India for both Malaysia …

Microsoft, Walt Disney Co. and General Motors are among hundreds of companies calculating how much they spend on carbon emissions to show investors they are concerned about global warming, a study said on Tuesday. More than 700 other businesses around the world plan by 2018 to introduce so-called carbon pricing, …