Nairobi River flows through a low-income settlement.
There are huge holes in the governance of Nairobi river and city's waste which means the river's condition has deteriorated.
Taxi drivers were exposed to the highest levels of pollution.
Dinendra Haria/ Shutterstock
Taxi drivers are exposed to twice the level of pollution compared to other drivers.
Drift ice forming in the Baltic Sea, where microplastic concentrations are at levels similar to those in the Arctic. The incorporation of microplastics into sea ice affects how well the ice absorbs or reflects solar energy.
Levels of microplastics in the ocean are rising. More study is needed to figure out how these microplastics affect the qualities and properties of sea ice, and what the potential impact may be.
A camera catches a huge Greenland shark in eastern Baffin Bay, near Disko Bay, Greenland.
The eastern Arctic and sub-Arctic marine areas of Canada are changing rapidly under climate change.
Grid, glorious grid.
The 'superblocks' are expected to have massive benefits for health and well-being – but it takes good governance.
Palm oil development is not just about the economy but also needs to consider social and environmental costs.
There are studies showing that farmers can have economic benefits from palm oil. However, they can also be impoverished by the commodity.
A black marlin in the sea. These apex predators can grow to 800 kilograms.
A giant ocean fish swims into the heart of industrial Port Kembla looking for food. What if we take its presence, a few km from an ancient, living midden, as a symbol of both new and old ways to learn in the age of the Anthropocene?
Our experiment shows we need to work out just how damaging discarded cigarettes are to plantlife.
Is your community’s water tainted with lead? The data might not have been reported.
Flint's highest recorded lead levels were typical for water systems that report problems. What's more, a number of cities haven't reported their lead issues.
The coal plant would be about 20km from Lamu town - a Unesco world heritage site.
The court case highlighted that key environmental challenges were not adequately covered by the Environmental Impact Assessment
Turning a corner.
Academic experts on how the humble car could evolve to become an unlikely hero in the global fight against climate change.
Zoological Society London
Coral reefs get a lot of attention, but the world has lost almost all of its vital oyster reefs in the last few centuries.
pxl.store / shutterstock
Currently, all the value in sewage sludge is literally being flushed down the toilet.
Tougher penalties are a useful tool for environmental watchdogs.
Three species of immature mosquito: the common house mosquito, and the malaria vectors An. arabiensis and An. funestus.
Researchers are only beginning to understand the impact of pollution and increased temperatures on the biology of mosquitoes.
Pollutants not shown.
Childhood asthma cases caused by traffic pollution are on the decline. But children in some parts of the country are faring better than others.
Phytoremediation uses plants to clean up toxic pollutants.
Scientists are finding ways to generate something useful from the pollution in our environment.
London: a clean future?
Drivers of polluting vehicles will face a daily charge, but evidence suggests it's a price worth paying.
Honey can carry clues about where pollutants come from.
Urban pollutants are a health concern in growing cities. Scientists are turning to honey bees to help monitor contaminants in soil, water, air and plants.
Unconventional gas wells are being approved in their thousands across Australia.
AAP Image/Dean Lewins
Gas mining is expanding across Australia, and has been touted as part of the answer to cutting emissions. But there is evidence that this rollout will pose significant health and environmental risks.