On the factors that cause blacks in Chicago to be more likely to catch Covid-19 than whites, and more likely to die from it once they get it.

An international meeting intended to reduce greenhouse emissions from ships is considering rules so weak that they would do harm (by pretending that the issue was being addressed).

*Countries who kept their response to the pandemic in-house have fared much better.*

Half a million Sunnis in Iraq are still forced to live in refugee camps.

*Small increases in air pollution linked to rise in depression, finds study.*