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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Earth
Major methane release is almost inevitable
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Earth
Wiping out top predators messes up the climate
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Earth
Water wars loom as the US runs dry
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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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Earth
Withering heights: Why animals are shrinking
Features
Earth
New map pinpoints cities to avoid as sea levels rise
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Earth
Sooty ships may be geoengineering by accident
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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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Earth
Climate change may get us into hot political waters
Culture
Earth
Photosynthesis: Shaping the planet
Features
Earth
How Obama will deliver his climate promise
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Earth
Climate change blamed for Australia’s extreme weather
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