Naomi Oreskes joins us to talk about tackling climate change in time to avoid disaster, misinformation, and scientific messaging, then Saskia Osendarp and Shweta Khandelwal discuss how COVID-19 has exacerbated the world's malnutrition problem, with a specific focus on India.

Mandip Aujla, senior editor of The Lancet Global Health, talks with Desmond Jumbam and Lioba Hirsch about decolonising global health, how rich countries dominate the global health discussion, and what can be done.

Chris Beyrer of Johns Hopkins University, Shannon Hader of UNAIDS, and Peter Hayward, editor-in-chief of The Lancet HIV, reflect on progress made and barriers still to be overcome four decades on from the first reported cases of HIV/AIDS in June 1981.

Bruce Biccard and Dean Gopalan discuss their work looking at the poor outcomes for COVID-19 hospital patients across Africa, the first study of its kind, and Kwame McKenzie talks about how Canada has dealt with COVID-19 and what lessons have been learned about health equity.

Bruce and Dean's study on COVID-19 outcomes for African hospital patients can be read at:
https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(21)00441-4/fulltext

Commissioners Michael Anderson and Emma Pitchforth explain the findings of their Commission on the future of the NHS, and Jennifer Dixon of The Health Foundation discusses health and care in the UK. The Commission can be viewed at:
https://www.thelancet.com/commissions/future-NHS

A new article from the OpenSAFELY team analyses 17 million NHS records to show the disparities in English COVID-19 outcomes for minority ethnic groups. Rohini Mathur talks about the results, and Ben Goldacre explains the many uses of the OpenSAFELY platform.

Rachel Bond of the Association of Black Cardiologists discusses the Black maternal mortality crisis in the USA, and Mishal Khan talks about reframing use of the word "hesitancy" when talking about vaccine uptake in minority groups.

Rita Issa of Lancet Migration describes the effects of the pandemic on refugee and migrant health worldwide, and Tina Shahrizaila explains the enigmatic Guillain-Barré syndrome.

Martin McKee discusses the current state of vaccine rollout in Europe and the challenges ahead, and the Director of WHO's Global TB Programme, Tereza Kasaeva, talks about how COVID-19 has stalled progress on tackling tuberculosis.

Samer Jabbour and Iman Nuwayhid join Gavin and Jessamy to discuss the awful milestone of the tenth anniversary of the Syrian conflict, and Angela Saini talks about the history of race science and how unscientific assumptions about race still occur.