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What carbon and water have in common
Governments can take lessons from the fight against climate change to drive investment in water quality and access. Water security is rising up the global agenda, as large problems loom in Sao Paolo a
A record hot year ahead?
The latest global data show that record surface temperatures last year have continued into 2015, and rising. Last year was the hottest yet, in a temperature record dating back to around 1850, accor
Renewables and the missing money problem
Increased competition and transparency in the power markets have led, in recent years, to a fall in wholesale power prices across much of North America and Europe. One of the primary beneficiaries
We cannot live without nuclear power but…
Nearly all of the energy we use on the earth, be it the light we use for our everyday needs or photosynthesis for plants is derived from one great nuclear reactor, which we call the sun. It generates
Why solar payback period matters
What do households consider to be an acceptable payback period for solar power? This matters hugely for the residential roof-top market, but seems poorly researched. Payback period is the length of
GUEST BLOG-How efficiency can save the Arctic, Ukraine, and $3 trln
By Carsten Pfeiffer, political scientist, head of strategy of the German Renewable Energy Federation Imagine that Bill Gates, George Soros and Waren Buffet were dying of thirst in the desert. It be