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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

News

Texas mega-battery aims to green up the grid

Earth

Texas mega-battery aims to green up the grid

Analysis

Earth

Davos: Persuading big business to act on climate change

News

Earth

Greek economic crisis has cleared the air

News

Midnight sun: How to get 24-hour solar power

Earth

Midnight sun: How to get 24-hour solar power

Features

Global mercury treaty will take decades to work

Earth

Global mercury treaty will take decades to work

News

Wind power delivers too much to ignore

Earth

Wind power delivers too much to ignore

Comment

Wind turbines supercharged with superconductors

Technology

Wind turbines supercharged with superconductors

News

Japan to build world's largest offshore wind farm

Earth

Japan to build world's largest offshore wind farm

News

Earth

Nations are taking action on climate change

Global talks may founder, but 32 of 33 major economies have now passed legislation to combat climate change or improve energy efficiency

News

Technology

Muscle mimic pulls electricity from wet surface

News

Earth

Into thin air: Storage salvation for green energy

Features

Earth

The world to burn as much coal as oil by 2017

News

Earth

Time to nail the number one problem of green energy

Opinion