Hepatitis C treatment is no longer prohibitively expensive in the Global South because Malaysia, Thailand, Egypt and the Drugs for Neglected Diseases initiative developed ravidasvir – a low-cost antiviral. Such breakthroughs are possible for other neglected diseases if low- and middle-income countries agree to act collectively. By Timothy Radcliffe

Donald Trump’s decision to pull the US out of the World Health Organisation will serve to propel China. By Sriparna Pathak

The current pace of renewable-energy adoption still falls short of what it will take to hit the Paris agreement’s mid-century net-zero targets, and to meet the immediate development needs of those living in energy poverty. By Woochong Um

Road emissions are the leading contributor to transport emissions across the Indo-Pacific, surpassing those from shipping and aviation. By James Goldie