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Fossil Fuels are for Making Stuff

The IPCC just released its third assessment report on mitigating climate change.  I’ve spent the morning reading the full summary, and to help you save a little time I’ve whittled it down to a six word summary.Fossils fuels are for making...

Posted April 16, 2014    

What is the Greenest Source of Electricity?

Earlier this week the new French Prime Minister Manuel Valls reiterated President Hollande’s plan to cut French dependence on atomic power to half of all output by 2025, down from almost 75% currently.  The plan is to curtail...

Posted April 14, 2014    

The EV Wedge: How Electric Vehicle Fuel Savings Vary By Country (and Car)

Have you ever heard of the EV Wedge?No? Me neither. Let’s try to define it then.If you’d asked me to define the ‘Electric Vehicle Wedge’ a few years ago I would have chuckled a little, and suggested it was the small pile of cash you needed to afford...

Posted March 22, 2014    

5 Simple Ways to Save Food

Every year the world wastes enough food to fill a bin 1.2km wide, 1.2 km deep and 2.1 km tall.  Such a bin would makes the worlds tallest buildings look like matchsticks (see above).About three quarters of this waste occurs before food is ever...

Posted March 7, 2014    

Which Country Has More Solar Energy Capacity than the Rest of the World Combined?

In 2013 China installed a record 12GW of solar power capacity, considerably more than Germany ever has in one year.  I read stories about it all over the place.  It was big news for renewable energy watchers.What I didn’t read in any of...

Posted February 26, 2014    

Five Stunning Small Homes: Would You Live in One?

Each summer my little family of four spends 10 days camping in a tent that is about 5 m2 (54 ft2).  It is my favorite week of the year. Yet we live in a home that is roughly 110 m2 (1180 ft2).  This begs a question. Would we...

Posted February 23, 2014    

Much Ado About Methane? A Little Global Context Helps Separate the Long from the Short

Last Friday a paper was released that again showed that methane leaks in North America may be greater than previously estimated. The result was another round of debate as to whether natural gas is a suitable ‘bridge fuel’ to a sustainable future....

Posted February 21, 2014    

How Much Should You Pay for LEDs and CFL bulbs?

As the incandescent bulb is gradually phased out in many countries around the world homeowners need to get familiar with CFLs and LEDs. Helping people do just this was the aim of our Beginner’s Guide to Energy Saving Light Bulbs. But in ...

Posted February 6, 2014    

The Ultimate Beginner's Guide to Energy Saving Light Bulbs

Five years ago I bought my first LED light bulbs.  They were to replace halogens in my bathroom.  I spent too much money on not enough lumens and way too many kelvin.  You know what I mean?No?  Perfect. Let’s make a deal?!If...

Posted February 2, 2014    

If We Could See Carbon Dioxide, Would We Take it More Seriously?

As an Australian who is concerned about our changing climate there is a long list of quotes from our new Prime Minister that I find irksome.  But right at the top is his description of emissions trading as:a market in the non-delivery of an...

Posted January 28, 2014    

3 Strategies to Slash Your Foodprint

The search for solutions to climate change is understandably focused on energy.  But sometimes it’s a bit myopic, particularly in relentlessly looking at the power sector.  Let me illustrate.Dredging through the data from EDGAR I can see...

Posted January 22, 2014    

Mapping the American Carbon Footprint, Down to the Last Zip Code [INTERACTIVE MAPS]

In the process of researching and writing our free eBook  ’Emit This’ I mapped out the average American’s carbon footprint. The result was the tree map above which shows the typical spending of an American results in 19 t CO2e of greenhouse...

Posted January 14, 2014