Lead-glazed pottery in Mexico is the main source of lead poisoning - and a million children aged one to four have elevated blood lead levels as a result.
Campaigners are pledging to go to prison, if necessary, for blocking oil refineries up and down the country this spring as part of the Just Stop Oil campaign.
The British Museum has just opened its latest BP-sponsored exhibition - The World of Stonehenge - despite widespread anger that oil is still polluting culture.
Beyond Borders, a film by the Environmental Justice Foundation (EJF), profiles the people behind the climate statistics - from the Arctic to Bangladesh.