Over 8 billion people could be at risk of malaria and dengue by 2080 if greenhouse emissions continue to rise and affect global temperatures. Scientists from the London School of Hygiene & Tropical Medicine (LSHTM) predict that higher temperatures could lengthen transmission seasons by more than a month for malaria and four months for dengue in the next 50 years. Current disease control efforts such as mosquito reduction campaigns are effective but costly; hence not sustainable in low-income countries, says one of the authors of the study Felipe J Colón-González.

Read more on the topic in The Guardian and in the Lancet Planetary Health journal.