Warmest Arctic summer caused by accelerating climate change

The Arctic saw its warmest ever summer in 2023, the result of accelerating human-caused climate change that is pushing ecosystems and the people that depend on them into uncharted territory, according to an official report ...

Meat alternatives could feed humans more sustainably

Current food systems don't sustainably provide healthy diets for all, and novel alternative proteins—such as lab-grown meat, protein-rich foods created from microorganisms and plant-based foods that imitate the taste and ...

Current carbon dioxide levels last seen 14 million years ago

The last time carbon dioxide in the atmosphere consistently matched today's human-driven levels was 14 million years ago, according to a large new study Thursday that paints a grim picture of where Earth's climate is headed.

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