Almost 1,000 lives a year could be saved on the island of Ireland if authorities adopt and meet World Health Organisation guidelines on air pollution, according to the Irish Heart Foundation.
Uganda's health ministry has said a sharp rise in malaria is partly attributable to climate change, after more than one million people contracted the disease within the past two months.
If asked "What is the greatest current threat to humanity?" you are likely to come up with nuclear war, climate change, over-population but perhaps not antibiotic-resistant bacteria.