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Artículos sobre Renewable energy

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California has realised that investing in renewables is smart economic policy. Tony Webster/Wikimedia Commons

50% renewable energy would put Australia in line with leading nations

Ramping up investment in renewable energy would put Australia on a footing with competitors such as China, Germany and California, which are set to reap the economic benefits of this emerging sector.
Labor wants 50% of Australia’s electricity to come from renewables by 2030 - but what about other climate policies? Lawrence Murray/Flickr

Labor embraces renewables at the cost of good climate policy

Labor’s proposal for 50% renewables demonstrates in spades how poisonous climate change politics has trumped good policy.
A biogas plant in Queensland. NH Foods Oakey Beef Exports

Bioenergy: making money, and clean energy

The government has issued a draft direction to the Clean Energy Finance Corporation to invest in “emerging” clean energy such as bioenergy. But what are the prospects for bioenergy?
Solar thermal technology is still an outside bet - and not the kind of investment the CEFC was set up to make. WorleyParsons/AAP Image

The Clean Energy Finance Corporation is meant to back winners, not minnows

Environment minister Greg Hunt wants the Clean Energy Finance Corporation to focus on new technologies, not wind and solar. But that’s not what it was set up to do, and Australia already has an agency for that.
South Africa, which has a shortage of energy, has three options for greater energy efficiency. Reuters/Siphiwe Sibeko

How South Africa can transition to a less energy-intensive economy

Shifting South Africa’s economy from energy intensive sectors to those with lower energy consumption will take more time, and even more funding. But the impact will be more permanent and sustainable.
To get to zero emissions, we’ll have to reform our energy sector away from fossil fuels. ccdoh1/Flickr

Australia can stop greenhouse gas emissions by 2050: here’s how

To avoid dangerous climate change there is a finite amount of greenhouse gas emissions, in particular CO2, that we can add to the atmosphere - our global carbon budget. If we use our budget wisely, we have until about 2050 to transition to zero net emissions. But how do we get there?
Packing heat: concentrating sunlight into a reactor to split H2O and CO2 – a step toward making liquid fuels. Courtesy of Professor David Hahn, University of Florida

Solar fuels: how planes and cars could be powered by the sun

Rooftop solar power is exploding in the US but some scientists are pursuing a radically different route in renewable energy: storing solar energy as a liquid fuel.
Wind energy will not cost Australians billions of dollars. David Clarke/Flickr

How much does wind energy cost? Debunking the myths

Wind energy is already competitive with fossil fuels, will reduce electricity prices for consumers, and will play a large role in reducing Australia’s greenhouse gas emissions.
Diminishing returns: how long should experts be expected to search for health problems no one has proved are real? EPA/Horacio Villalobos/AAP Image

More research is good, but not if wind experts are told what to find

“More research needed” is a familiar cry in science. But in the case of the Senate’s call for yet more scrutiny of wind farms, there are signs that experts are being ushered in a preconceived direction.
Hepburn Wind in Victoria is Australia’s largest community renewable energy project. Hepburn Wind/Flickr

Communities are taking renewable power into their own hands

Australia, like much of the rest of the world, is in the midst of an energy transition, driven by falling demand and uptake of renewables. Community energy is one way we can mange this transition to the benefit of all Australians.

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