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climate action

Arctic thaw may be first in cascade of tipping points

Earth

Arctic thaw may be first in cascade of tipping points

A record low in Arctic sea ice may have been the first in a series of events that unleash unstoppable climate changes – what will be next?

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Major methane release is almost inevitable

Earth

Major methane release is almost inevitable

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Wiping out top predators messes up the climate

Earth

Wiping out top predators messes up the climate

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Water wars loom as the US runs dry

Earth

Water wars loom as the US runs dry

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Arctic sunshine cranks up threat from greenhouse gases

Earth

Arctic sunshine cranks up threat from greenhouse gases

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Earth

Wind power is now cheaper than coal in some countries

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Withering heights: Why animals are shrinking

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Withering heights: Why animals are shrinking

Features

Sooty ships may be geoengineering by accident

Earth

Sooty ships may be geoengineering by accident

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New map pinpoints cities to avoid as sea levels rise

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New map pinpoints cities to avoid as sea levels rise

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Earth

Nobel-winning US energy secretary steps down

Steven Chu laid the groundwork for government-backed renewable energy projects – his successor must make a better case for them

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How Obama will deliver his climate promise

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Photosynthesis: Shaping the planet

Features

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Climate change may get us into hot political waters

CultureLab

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Climate change blamed for Australia's extreme weather

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