‘Very speculative’: Scott Morrison has not confirmed reports he may adopt a technology investment target to avoid signing up to a commitment of zero greenhouse gas emissions by 2050. Photograph: David Crosling/EPA Scott Morrison has described a report he may adopt a technology investment target to avoid signing up to a commitment of zero greenhouse gas emissions by 2050 as speculation, …

The US envoy to the UN has urged the Security Council to take the “strongest possible measures” against North Korea after its latest nuclear test. “The time has come to exhaust all diplomatic means before it is too late,” Nikki Haley told an emergency meeting of the council in New York. The US will circulate a new draft Security Council …