The global food system could drive rapid and widespread biodiversity loss if not changed, new research has found.

For the first time scientists have provided clear evidence that tropical tree lifespan decreases above a critical temperature threshold.

A new study shows that strong and rapid action to cut emissions of carbon dioxide and other greenhouse gases will help to slow down the rate of global warming over the next 20 years.

A major review of palliative care services around the world has highlighted huge inconsistencies in provision, with patients in some countries receiving a fraction of the support provided elsewhere.