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Traffic flows past trees that have been felled to make way for a highway in Nairobi, Kenya on November 12, 2020. Photo by LUIS TATO/AFP via Getty Images

The loss of vegetation is creating a dangerous heat island over Nairobi

Parts of Nairobi are already dealing with temperature increases and reduction in humidity. These conditions are associated with increases in mortality, especially in children and the elderly.
Cape Town residents queueing to refill water containers at the Newlands Brewery Spring Water Point in January 2018. GettyImages

Dimming the sun could reduce future drought risk in Cape Town – but there’s a catch

Artificially dimming the sun, by injecting reflective particles into the upper atmosphere, could reduce the risk of Day Zero level droughts in Cape Town by more than 90% in the future.
People relying on HIV prevention, care and treatment services have become even more vulnerable because of COVID-19. Foto24/Gallo Images/Getty Images

Why it’s important to keep diagnosing and treating HIV during the COVID-19 pandemic

If the world is single-minded and focuses purely on combating one pandemic, forgetting others, the effects of other morbidity and mortality on healthcare systems will be seen for a long time to come.

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