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Articles on Carbon dioxide (CO2)

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One ‘mechanical tree’ is about 1,000 times faster at removing carbon dioxide from air than a natural tree. The first is to start operating in Arizona in 2022. Illustration via Arizona State University

These machines scrub greenhouse gases from the air – an inventor of direct air capture technology shows how it works

Klaus Lackner is finding new ways to cut the technology’s high costs and energy demand, and he’s about to launch the first ‘mechanical tree’.
Wildfire smoke contains a mixture of toxic pollutants that can be harmful to both the lungs and the brain. Bloomberg Creative/ Bloomberg Creative Photos via Getty Images

Neurotoxins in the environment are damaging human brain health – and more frequent fires and floods may make the problem worse

Pollution from more frequent floods and wildfires – exacerbated by the warming climate – is threatening human health and poses particular risks to the brain.

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