We have all experienced it : before having hot water at the faucet, cold water arrives. This could be something of the past thanks to a Spanish invention, AquaReturn, which enables its users to save both water and energy. AquaReturn recirculates the cold water around the pipes until the desired water temperature is reached. To […]
Saving water and energy with a single invention Read More »
This was a major setback for me last week, US greenhouse gases emissions related to energy rose two percent in 2013 compared to 2012. To the US EIA this is due to ” a small increase in coal consumption in the electric power sector. “ ” Coal has regained some market share from natural gas since a
Emissions in United States rebounded in 2013 Read More »
Fluorescent tubes are everywhere : in offices and homes and of course, in supermarkets and factories. This ubiquitous lights are used in a staggering amount of 12 billion sockets to Philips. The company has developed an alternative based on LED technology : the InstantFit LED lamp. Up to 40 percent more efficient than traditional T8
An efficient alternative to fluorescent tubes Read More »
According to El Pais, Nicaragua and its six million inhabitants could get 90 % of its electricity from renewables by 2020. To date, the country is already getting 58 percent of its electricity from clean sources. Enjoying huge amounts of sun and wind it could also benefit from large reserves of geothermal energy. Indeed, if
Nicaragua develops its renewable energy potential Read More »
While browsing Cleantechnica I found the answer of a key question I have been having ever since writing my Master’s thesis. French houses are leaky ” thermal collanders “ as 20 million accommodations have to be weatherized. Potential savings could be the equivalent of 200 TWh of electricity per annum, knowing that the total electricity
The value of a well insulated home Read More »
According to TreeHugger, ” a Ford representative is saying that they are “going to be aggressive rolling [stop-start] out”. As we have seen previously, such innovation enable cars to stop automatically their engines when not moving. Such a simple system could cut the oil consumption by ten percent for urban driving while only costing around
Ford to boost start-stop systems Read More »
For the past weeks I have collected quite an impressive amount of articles on Australia, as its recent elections have brought to power a Conservative Prime Minister, Tony Abbott. A climate denier backed by fossil fuels interests, Mr Abbott is willing to axe the country’s carbon tax. As the Guardian reported, this would cost the
Could Australia axe its carbon tax ? Read More »
Here comes another article for Cleantechies, this time focusing on a problem plaguing many nations, coal. This fossil fuels does indeed provides a large part of the electricity there. Here is the introduction : ” Poland – as many East European nations – relies very heavily on coal as 90 percent of its electricity comes
Poland could halve coal consumption by 2030 Read More »
The World Energy Outlook from the International Energy Agency is a key publication when it comes to energy and climate issues as it presents key indicators, facts and trends from renowned experts. This year the IEA outlined the importance of ending fossil fuels subsidies – which amounted to $544 billion / 400€ billion last year,
IEA World Energy Outlook 2013 Read More »
The capital city of Argentina, Buenos Aires, have switched its 125,000 streetlights to LED. This will cut energy consumption by half and will last five times longer. With 13 million inhabitants, it is the second largest city in South America. To TreeHugger : ” That’s just one city. It’s estimated that if cities around the
Buenos Aires switches to LED lights, saves money Read More »
