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Reducing fine particle air pollution from petrochemical complexes, like this one near the Houston Ship Channel in Texas, is a low-cost way to lower air pollution mortality. AP Photo/David J. Phillip

Air pollution kills thousands of Americans every year – here’s a low-cost strategy to reduce the toll

A new study takes an innovative approach to reducing fine particle air pollution and spotlights key sources: factories that burn coal and oil, petrochemical plants and burning wood for home heating.
If you’ve ever put wet wood on to a fire, you may have noticed it makes a lot more noise than dry wood. Shutterstock

Curious Kids: why does wood crackle in a fire?

Water and sap inside the wood make mini explosions as they turn into gas and burst out. That's why damp wood makes the noisiest fires.
No simple matter: logging and conservation are not polar opposites, and controlled harvesting can fund the protection of forests. AAP/Greenpeace/Jeremy Sutton-Hibbert

Can forest conservation and logging be reconciled?

Is there a role for logging in ensuring the future of the world’s tropical forests and their rich diversity of plants and animals? For many this idea is absurd, because timber production achieving conservation…
Buying this will make you feel good, but should it? turkeychik

Explainer: is recycled paper really better for the environment?

For many years, individual consumers, industries and governments have all purchased printing and writing paper made with a high recycled-fibre content. Why? Because they believe it is the most responsible…

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