There's been hardly any research into most residents of the deep oceans, despite it being the biggest habitat on Earth – and it's making them harder to protect, according to a new review. Story here.
The United Nations health agency is working closely with the Government of Sierra Leone to prevent the spread of infectious diseases such as malaria and cholera in the wake of last week's mudslides and flooding in the country's capital, Freetown. Story here.
An ancient Indonesian rainforest, home to elephants, orangutans, tigers and rhinos, is being destroyed by industries which extract products such as palm oil. Story here.