Greenhouse gases hit record high in 2022: UN

Greenhouse gas concentrations in the atmosphere hit new record highs in 2022, with no end in sight to the rising trend, the United Nations warned Wednesday.

New method provides more accurate analysis of old ice

Ice cores are a unique climate archive. Thanks to a new method developed by researchers at the University of Bern and Empa, greenhouse gas concentrations in 1.5 million year old ice can be measured even more accurately. The ...

How not to solve the climate change problem

When politicians talk about reaching "net zero" emissions, they're often counting on trees or technology that can pull carbon dioxide out of the air. What they don't mention is just how much these proposals or geoengineering ...

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