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Reducing the Costs of Decarbonising Winter Heating Needs to Be a Priority

Decarbonising winter space heating in the UK will require a capital intensive heat supply chain running only for the winter months. Policy action is needed to reduce the costs of this.A large scale challenge …Large scale electrification of winter...

Posted May 19, 2015    

Climate Change in UK General Election Manifestos

Comparing manifestos for May’s UK general elections highlights important similarities as well as differences among the parties.All of the manifestos published by UK-wide parties make reference to climate change policy, but to greatly differing...

Posted April 21, 2015    

Extrapolating Deployment Trends for Solar PV

Simple extrapolation of present trends implies around 1800 GW of installed solar PV capacity by 2030, with even faster growth looking possible.  Low carbon technologies getting to scale like this, and reducing costs in the process, will...

Posted March 30, 2015    

The IEA's Central Projections for Renewables Continue to Look Way Too Low

The IEA’s projections for wind and solar capacity look much too low, continuing a history of vastly underestimating renewables growth.  Their projections are not a reliable basis for projecting the world’s future power generation...

Posted March 2, 2015    

Randomised Trials of Energy Efficiency Policy

Greater use of randomised trials could help the uptake of energy efficiency by identifying which policy interventions work best.More efficient use of energy is high on almost everyone’s list of good ways to reduce CO2 emissions.  It can lead to...

Posted February 11, 2015    

Wind Energy Output: Clearing the Air

Loss of output from wind turbines as they age is roughly in line with that from other technologies.  Looking at an earlier claim that deterioration is much more rapid than this provides useful lessons for spotting erroneous results that could...

Posted January 16, 2015    

Grains of Rice, Japanese Swords, and Solar Panels

Even Greenpeace has underestimated the growth of renewables.  In particular, solar has been growing exponentially, and may continue to be so for a while, though likely at a slower percentage rate.Greenpeace did much better than many at...

Posted December 1, 2014    

Making Climate Change Policies Fit their Own Domain

A new framework acts as a sound guide for policy formation.There is a widely held narrative for climate policy that runs something like this: The costs of damage due to greenhouse gas emissions are not reflected in economic decisions.  This...

Posted November 3, 2014    

Costing Damages from Climate Change Offers Only a Partial Guide to Choice of Policy

Estimates of the cost of damages from greenhouse gas emissions are more use for ruling in policy measures than ruling them out.Estimates of the cost of the damages caused by greenhouse gas emissions are widely used to assess the cost effectiveness...

Posted October 15, 2014    

Carbon Regulation Becomes the Norm

Regulation of greenhouse gas emissions, including caps and prices, is spreading around the world. Jurisdictions without something in place are becoming the exception.Back in January I noted that carbon pricing is in place or legislated in...

Posted October 2, 2014    

Transmission Links to Enable Wind Energy

The availability of long distance transmission systems can help smooth out variations in availability of wind power, but helps solar less. Policy needs to enable long-distance links to allow continuing increases in wind generation.One of the...

Posted September 17, 2014    

Could Rising Aviation Emissions be Good for the Environment?

International aviation sector is likely to require a substantial number of offsets to meet its goal of achieving carbon neutrality above a 2020 baseline.  If these offsets are forestry related there is the possibility of generating substantial...

Posted July 14, 2014