The carbon cycle

Carbon is the backbone of life on Earth. We are made of carbon, we eat carbon, and our civilizations – our economies, our homes, our means of transport – are built on carbon. We need carbon, but that need is

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A submerged marine turbine to harness the energy of the Ocean

Fossil fuels propelled the Industrial Revolution and subsequent technological advances. However, our future cannot be based on them, if only because they are a finite resource; and we are very close to exhausting them. Solar and wind power is often

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Britain is no leader in nuclear security

You report David Cameron as asserting at the global nuclear security summit in Washington that, along with the US, “Britain is very much giving the lead on nuclear security on nuclear sites, transport and materials” (World leaders meet to plan

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Hundreds of coal plants are still being planned worldwide, enough to cook the planet

Since 2000, countries like China, India, Indonesia, and Vietnam have been building coal-fired power plants at a torrid pace: The coal boom has had undeniable benefits, helping poor countries climb out of poverty. But it also has serious downsides: Carbon

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World Bank Group sets new course to help countries meet urgent climate challenges

Climate change poses an enormous challenge to development. By 2050, the world will have to feed 9 billion people, extend housing and services to 2 billion new urban residents, and provide universal access to affordable energy, and do so while

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California has too much solar power. It needs another grid to share with

The US has no national electricity grid. Instead, it has a patchwork of grids, operated as closed-off regional and local fiefdoms with little trade among them. One of the most important steps America can take to integrate more wind and

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Can you power a business on 100% renewable energy? Ikea wants to try

In 2012, Ikea made headlines with its pledge to completely power its stores with renewable energy by 2020. Last week, HP, the US-based multinational IT company, made the same pledge, promising to switch completely to renewables by 2020. The fact

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Nasa and the study of soil beneath our feet

Nasa doesn’t study just the stars and planets; it is also concerned with the soil beneath your feet. Studying the moisture in the top two inches of the soil from space with a satellite named “SMAP” can help weather forecasters

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The energy and mineral riches of the Arctic

The Arctic has been the fascination of many people for centuries. Hundreds of years ago, the Europeans saw the Arctic’s frigid waters as a potential gateway to the Pacific. The region has also been home to many unique native cultures

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Solar power sets new British record by beating coal for a day

The sun provided British homes and businesses with more power than coal-fired power stations for 24 hours last weekend (9-10 April). While solar power has previously beaten coal for electricity generation over a few hours in the UK, Saturday was

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