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Solar-powered night-flying plane makes its first 'flea hop'

Technology

Solar-powered night-flying plane makes its first 'flea hop'

The first ever piloted solar-powered plane that could fly all night has taken off – it is meant to circumnavigate the globe one day

News

Extreme oil: Scraping the bottom of Earth's barrel

Earth

Extreme oil: Scraping the bottom of Earth's barrel

Features

Climate control for your desk

Earth

Climate control for your desk

News

Plenty more oil, but use it wisely

Opinion

Technology

Split-personality home routers can cut net energy use

News

Technology

Safety flaws in US next-gen nuclear reactors

News

First osmosis power plant goes on stream in Norway

Earth

First osmosis power plant goes on stream in Norway

News

Lotus leaf solar cells soak up more power

Technology

Lotus leaf solar cells soak up more power

News

Nuclear fuel: are we heading for a uranium crunch?

Earth

Nuclear fuel: are we heading for a uranium crunch?

News

Five eco-crimes we commit every day

Earth

Five eco-crimes we commit every day

If you really want to save the planet, you should rethink how you clean your clothes – and your bottom

Features

Earth

US bets $150m on high-risk renewable energy

News

Earth

Low-carbon road map for China

News

Technology

Super-efficient cars racing to win the X prize

News

Earth

Innovation: Can technology persuade us to save energy?

News