Urban heat is a public health emergency, an infrastructure challenge and a climate crisis rolled into one. To safeguard cities and their most vulnerable populations, India needs city-level cost-effective long-term mitigation strategies. By Sanjay Seth and Yatin Choudhary

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

Leading a group of mothers, campaigner Bhavreen Kandhari tells WHO conference that children need a quicker energy transition. By Bhavreen Kandhari

Energy transition research addressing the range of equity concerns across India’s socioeconomic groups and regions is rare. This needs to change. By Dr Aishwarya Ramachandran, Animesh Ghosh and Vaibhav Chowdhary