Articles sur Air quality

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Want cleaner air? Stop leaving your car engine running while you’re stopped at lights or waiting for a passenger, and demand better regulations from the government. AAP Image/Dean Lewins

Australia needs stricter rules to curb air pollution, but there’s a lot we could all do now

Australia needs stronger policy aimed at curbing air pollution, but the options currently on the table fall short. For now, we could all aim to drive less and turn off the engine when the car is idle.
Dr. Kofi Amegah of the University of Cape Coast, Ghana, installing a small air sensing unit built by the University of Massachusetts. Kofi Amegah

Can we rely on DIY air pollution sensors?

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.
Nigeria is one of the countries in Africa that has a serious air pollution problem. Reuters

Why it’s time Africa features in global plans to manage air pollution

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.
Not just a way to beat the heat, urban forests also reduce air pollution and provide other services for the economy. kiddocone/flickr

Why more cities need to add up the economic value of trees

Cutting-edge urban foresters argue not only for the intrinsic value of trees but also for the many economic and health benefits.
A sensor monitors carbon dioxide from the rooftop of the SF Exploratorium. Alexis Shusterman

Low-cost sensors track CO2 where it counts

Scientists build network of inexpensive air monitors to track emissions with fine-grained spatial detail – an alternative to satellites or pricey land-based CO2 monitors.
Some chemicals are still used in industrial products or are found in the environment. Solovyova Lyudmyla/Flickr

Toxic chemicals and pollutants affect kids’ brain development

The news that toxic chemicals may be triggering a rise in autism, attention-deficit hyperactivity disorder (ADHD) and dyslexia in the United States has rightly prompted concern among parents. But what…
Have catalytic converters changed the cost-pollution-benefit in petrol’s favour? Mike Egerton/PA

Failure to test for the real world has left a polluting diesel legacy

Which is the better option for cars in cities, diesel or petrol-driven engines? As a report reveals the new fleet of green, hybrid electric-diesel buses in London produce less CO2 but more harmful pollutants…

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