To be able to understand the importance of the environment for our health, we need to know a little about the interdependence between environment and humankind. This free course, Health and environment, will look at interactions between plants, animals and the physical and chemical environment, as well as considering ways in which humans have altered, and are altering this environment.
The photos of birds killed by bellies full of plastic waste are harrowing - but why do they eat the stuff in the first place? The OU's Miranda Dyson explains.
The discovery of plastic unleashed humanity's creativity, as we embraced the magic of this versatile product. But it was at a cost - has the material which made the 21st Century brought about an environmental catastrophe?
The smallest specks of air pollution can create enormous storms in the rainforest - and we don't yet understand enough about this, reports Rodrigo de Oliveira Andrade.
Planting trees seems to be a good thing, ecologically. But... what if the saplings come wrapped in plastic bags? Kenyan Teddy Kinyanjui has come up with an elegant solution to take the plastic out of the forest.
The Indian city is seeing levels of dangerous pollution - similar to those that killed Londoners in 1952. Ranjit Devraj shines a light through the gloom.