Tag Archives: electricity

Denmark Just Produced 140% Of Its Electricity Needs Via Wind Power

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According to the chief commercial officer of the Ecofys energy consultancy, Kees van der Leun, a surge in wind farm installations could allow Denmark to produce half of its electricity from renewable sources by 2020 – that’s only five years away.

Not everyone is likely to be happy about this news, however. As The Guardian shares, the British wind industry is likely to view the Danish achievement with envy. This is no doubt because David Cameron’s government announced a withdrawal of support for onshore wind farms from next year, and planning obstacles for onshore wind builds.

“If we want to see this happening on a European scale, it is essential that we upgrade the continent’s aging grid infrastructure, ensure that countries open up borders, increase interconnection and trade electricity on a single market,” said Joy of the European Wind Energy Association.

Around three-quarters of Denmark’s wind capacity presently comes from onshore wind farms, which have strong government backing. One thing is for sure, the country is definitely putting the rest of the world to shame with these figures.

source: http://www.trueactivist.com/denmark-just-produced-140-of-its-electricity-needs-via-wind-power/?utm_source=fb&utm_medium=fb&utm_campaign=sh
image credit: http://humantouchofchemistry.com/

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How Much Room Do We Need To Supply The Entire World With Solar Electricity?

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In 2009, the total global electricity consumption was 20,279,640 GWh. The sun creates more energy than that in one hour. The tricky part is collecting that energy and converting it into useful electricity with solar panels. How much area would need to be covered with solar panels in order to capture enough energy to meet global demand? Actually, it’s not as much as you’d think.

The image above has three red boxes showing what area would need to be covered for Germany, Europe and the entire world.

So what the hell are we waiting for? Let’s start getting more solar panels on some rooftops and start chipping away at those boxes!
source:  http://www.iflscience.com/environment/how-much-room-do-we-need-supply-entire-world-solar-electricity#T2edsszWO4fjLa3o.99

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Sweden Runs Out of Garbage

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Imagine a world where pollution is a non-issue, cities are pristine, healthy environments to live in, and little to no entanglements from discarded trash injures wildlife or clogs the oceans. In Sweden, this is almost a reality, yet it’s causing a paradoxical predicament for the recycle-happy country that relies on waste to heat and provide electricity to hundreds of thousands of homes.

The Scandinavian nation of more than 9,5 million citizens has run out of garbage; while this is a positive – almost enviable – predicament for a country to be facing, Sweden now has to search for rubbish outside of its borders to generate its waste-to-energy incineration program. It’s namely Norway officials who are now shipping in 80000 tons of refuse annually to fuel the country with outside waste.

The population’s remarkable pertinacious recycling habits are inspiration for other garbage-bloated countries where the idea of empty landfills is scarce. In fact, only 4 percent of all waste in Sweden is land-filled, a big win for the future of sustainable living. By using its two million tons of waste as energy and scrapping for more outside of its borders, this country is shown in international comparisons to be the global leader in recovering energy in waste. Go Sweden.

Public Radio International has the whole story. This (albeit short-term) solution is even highly beneficial for the Scandinavian country; Norway pays Sweden to take its excess waste, Sweden burns it for heat and electricity, and the ashes remaining from the incineration process, filled with highly polluting dioxins, are returned back to Norway and land filled.

Catarina Ostland, senior advisor for the Swedish Environmental Protection Agency, suggests that Norway may not be the perfect partner for the trash import-export scheme, however. “I hope that instead we will get the waste from Italy or from Romania or Bulgaria, or the Baltic countries because they landfill a lot in these countries” she tells PRI. “They don’t have any incineration plants or recycling plants, so they need to find a solution for their waste”.

There’s definitely something to be said about being ‘green’. Regardless of its sourcing, hopefully Sweden’s impeccable job of reducing its carbon footprint may serve as an example to other areas of the world that have more than enough trash to utilize and put to sustainable use.

source:  http://www.trueactivist.com/sweden-runs-out-of-garbage/
photo credit: http://www.wired.co.uk

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