Mercury pollution, often released from gold mining and coal power stations, is a global problem.
For the first time research has shown that mercury released in the northern hemisphere ends up in Australia's tropics.
An old coal-burning power plant in China.
Amu Coal a Kenyan and Chinese consortium is set to build a coal plant in an area untouched by industrial development. The emissions alone will double the country’s energy sector's CO2 emissions.
The Painted Reed Frog (Hyperolius marmoratus) in Kenya.
A recent study shows how the number of vulnerable and endangered amphibians is nearly double that of birds or mammals. Strategies need to be put in place, and fast.
Trash washed up on Bali’s Kuta beach on February 2016.
Reuters/Antara News Agency
To stop Indonesia polluting the ocean with plastic it is important to change the country's land-based waste management.
Water quality is one of the major issues that threatens the Great Barrier Reef’s health.
AAP Image/Dan Peled
The updated plan for improving water quality on the Great Barrier Reef still doesn't address the need to curb intensively farmed crops such as sugar cane, and to enforce existing environmental laws.
The estimated economic value of minimising the damage to public health has been reduced by 80 percent.
A glass bottomed boat safari in a Kenyan marine park.
Kenya can explore at least four key actions, based on past commitments and institutional structures, to transform the economic future of its oceans.
24Novembers / shutterstock
Unlike the more abstract idea of global climate change, pollution is tangible and its effects are obvious.
Coal-fired power stations, metal smelting and vehicle emissions all pump mercury into the atmosphere.
Australia is the 16th-largest emitter of mercury in the world. A huge amount comes from coal power stations – and a new report argues our pollution guidelines are hopelessly lax.
A boy plays cricket among smoke in Karachi. Deaths from air pollution across the globe will increase as climate change accelerates.
A new study suggests climate change will cause changes to patterns of ground-level ozone and smog – two deadly pollutants set to increase deaths by about 260,000 worldwide by the end of the century.
Residents of high-density housing might value features such as balconies, but when roads get busy this increases exposure to pollution.
Many new housing developments are being built along busy roads and rail lines, but lack design features that would reduce occupants' exposure to harmful traffic pollution.
Adopting biodegradable bags will take a shift in mindset.
High costs, poor performance, a lack of manufacturing capabilities and local perceptions prevent biodegradable bags from taking root in Kenya.
New Delhi’s pollution is among the worst in the world. Each autumn, when crops are burnt and wind speeds are low, it risks rising to crisis levels.
Jean-Etienne Minh-Duy Poirrier
In November 2016, smog in New Delhi was 16 times above safe levels. An Indian researcher dug into the data to find out why, and how India can keep its capital breathing safely.
A boy jumps from a water pipe into a canal as temperatures soar in New Delhi. Access to clean and regular water remains a challenge for India’s capital.
Access to clean and regular water remains a challenge for New Delhi, a city that could easily tackle its water crisis with greater effort.
We don’t know what the car of the future will look like – but that’s no excuse to delay transport reform.
Australia needs to 'embrace uncertainty' on the future of transport, with flexible, holistically focused policy.
Reusing and recycling of plastic waste makes more sense for Kenya than a ban.
The plastic bag ban doesn't consider the impact it will have on Kenya's economy or consider other environmental alternatives.
Los Angeles Police Chief Charlie Beck, left, and Mayor Eric Garcetti pose next to an all-electric car in this 2015 photo.
AP Photo/Nick Ut
More than 200 mayors have committed their cities to stick with the Paris climate deal no matter what the US does. Electric vehicles offer a promising route to making good on that pledge.
Globalised drug manufacturing is adding to the problem of antimicrobial resistance.
Scientists know that many toxins, such as those found in cigarettes, cause most lung cancers, whose cells are depicted here. But isolating causes for other cancers is an ongoing effort.
What causes cancer? A scary truth might be that we have created an environment for it. An anthropologist's search for answers to her own diagnosis raises questions for all of us.
The climate crisis demands not only green technologies, but a completely different approach to economic development.