Total emissions are coming down. But many people still live in cities with poor air quality.
Citizens and activists are using cheap off-the-shelf sensors to collect their own data on air pollution. It's a promising trend, but these devices have serious technical limitations.
Coal-fired power stations need to be closed within the next decade on health grounds. Here's why.
A new report has found that Africa’s air pollution is already causing more premature deaths than unsafe water or childhood malnutrition.
Australia is lagging behind 35 other nations in ratifying the Minamata Convention on Mercury Pollution.
Cape Grim's air pollution station has recorded some of the biggest changes to the world's atmosphere over the past 40 years.
China has the world's second-largest economy, powered by cheap labor and cheap fossil fuel. But now Chinese urbanites want greener, healthier lifestyles. Can the government deliver them?
Air pollution from burning firewood and charcoal is the fourth-biggest killer in many countries.
Inexpensive cloth face masks, worn by many people in heavily polluted countries, offer only partial protection. Instead governments should warn people to avoid exposure and work to clear the air.
Tiny particles of a mineral known as magnetite may be causing havoc with our health.
Data from London's Great Smog of 1952 show that air pollution exposure in early life leads to striking increases in asthma rates. Millions in the developing world face similar risks today.
Africa has largely been ignored when it comes to official global air quality programmes. Yet low-income countries like many of those in Africa are particularly affected by air pollution.
When it comes to reducing air pollution, scoring and ranking cities is neither accurate, nor productive.
From recycling to air pollution, eco-friendly European laws have a big impact.
U.S. states need to put in place new ozone air quality standards, but how they are measured – based on peak ozone – doesn't always best reflect a city's overall air quality.
Sadly the finding that children, especially poorer children, suffer the most from air pollution isn't particularly surprising.
Mexico City is suffering through an air quality crisis this spring, but institutional corruption is making the proposed solution – restricting car usage – ineffective.
The main mayoral candidates agree air quality is a huge issue, but disagree on policies.
It's a transition the rest of the world is watching: How can we know whether coal use in China – the world's largest emitter – is going up or down?
This low-cost way of monitoring air quality is appealing, but there needs to be acknowledgement of their weaknesses as well as strengths.