Life cycle assessment of carbon capture

Life cycle assessment of carbon capture at incineration plants shows that despite some drawbacks, the net result is a clear advantage for the climate.

Reinventing steelmaking for a green revolution

In a gleaming new building in the northern Swedish town of Lulea, steelmaker SSAB is using a new manufacturing method that could revolutionise the highly-polluting industry by eliminating nearly all its CO2 emissions.

CO2 reduction and economic growth: Can they go hand-in-hand?

Fearing a trade-off with economic growth, countries feel discouraged to cut their CO2 emissions. But do the two really not go together? Environmental scientist Ranran Wang and her colleagues investigated the relationship ...

Permafrost: a ticking carbon time bomb

Sheltered by snow-spattered mountains, the Stordalen mire is a flat, marshy plateau, pockmarked with muddy puddles. A whiff of rotten eggs wafts through the fresh air.

Blocking the sun to control global warming

It sounds like something out of a bad science fiction movie—artificially blocking sunlight to keep global warming from overheating the Earth. Nevertheless, a small cadre of researchers is studying the option—so that if ...

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