Malaysian Prime Minister Anwar Ibrahim on Monday said his country would invest in the development of Indonesia’s new capital on Borneo island, which both nations share. Anwar made his first overseas trip to Jakarta since taking office in November, saying at least 10 Malaysian companies have committed to invest in Nusantara, the new capital that was chosen in 2019 to replace Jakarta, some 1,240 miles (2,000 kilometres) away. The city of about 10 million on the densely populated main island of Java has been sinking due to environmental degradation and overcrowding. The main cause is uncontrolled…