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Articles sur Renewable energy

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A solar water heating unit on the roof of a home in Kuyasa outside Cape Town. South Africa has a long way to go to get people off the grid and onto solar heating. Epa/Nic Bothma

Advances in getting solar onto the grid, and into the home

Africa is blessed with an abundance of sunshine.Given the heavy demand for energy, alternatives, such as solar, could provide solutions and help stimulate economic growth.
Real hot: the Ivanpah solar power plant and others like it use mirrors to produce heat to make steam and drive an electricity turbine. BrightSource Energy

If a solar plant uses natural gas, is it still green?

The massive Ivanpah solar power plant uses natural gas – even more than it expected last year. It’s not ideal, but solar power and natural gas are a powerful, and relatively ‘green,’ combination.
Coal no more? The rise of renewables and climate action will spell an end to Australia’s coal industry. Coal image from www.shutterstock.com

The long-term future of Australian coal is drying up

Australia’s failure to reassess its commitment to coal will have serious negative consequences, not only for Australia’s economy, but for the health and well being of millions of people and the global environment.
Renewable energy developers choose sunny locations, which can be near protected lands. jsmoorman/flickr

Can we expand solar power dramatically without damaging protected lands?

Study shows that many of the utility-scale solar power plants in California have been placed near protected and environmentally sensitive lands.
India’s main aim is to get electricity to more of the population - using renewables where possible. Jorge Royan/Wikimedia Commons

India chooses electricity and economics over emissions goals

India has pledged to ramp up renewable energy and make its economy more carbon-efficient. And while that will help cut emissions, the main motivation is to give power to the many who still lack access to electricity.
China knows the smart money is on renewables, and not just because of climate change. Reuters/Carlos Barria

Want to see the business case for green energy? Just look at China

China is pouring money into clean energy - not just to tackle climate change but because these are economically fruitful industries. And as China develops them, the technologies will get cheaper for everyone.
Good governance is a foundation for sustainable development under the new goals. Lars Plougmann/Flickr

Explainer: the world’s new sustainable development goals

Later this week, world leaders will gather at the United Nations in New York and adopt a set of Sustainable Development Goals to guide global development.
Solar hot water may be green, but sometimes it can leave you out in the cold. Cold shower image from www.shutterstock.com

Solar hot water giving you cold showers? Eight tips to warm you up

Solar hot water is an excellent way to heat up without adding to your electricity bill. Unfortunately, it seems Australians are not getting the most from their solar hot water systems.

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