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Environment

Bitcoin may not be the positive force we wanted

Bitcoin

Electronic cryptocurrencies like Bitcoin were supposed to provide us with the means to destroy our corrupt banking and finance system without destroying the essential payments system that the global economy depends upon.  Bitcoin has the potential to take down the current system in two ways.  First, the blockchain technology that …

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Are we too focused on carbon emissions?

Rice paddy

For most people, climate change is about the fossil fuels we burn to generate electricity, heat our buildings and fuel our transport.  But these activities are not the only ones that contribute to climate change.  Nor is the carbon dioxide that they produce the only greenhouse gas we need to …

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The NHS is unprepared for climate change

Cumbria flooding

In an open letter to Jeremy Hunt, The UK Health Alliance on Climate Change warns that the NHS is unprepared for the impact of climate change, and that the government needs to act now rather than follow the usual practice of waiting until disaster strikes. The Alliance says that the …

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The global carbonisation experiment gathers pace

Carbon emissions

For all of the talk about emissions reduction, we are now adding carbon dioxide to the atmosphere ten times faster than at any time in at least 66 million years according to new research in the journal Nature Geoscience: “Given currently available palaeorecords, we conclude that the present anthropogenic carbon …

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2015 saw record-breaking climate change

Drought

Writing in the Guardian, Michael Slezak lists nine ways in which climate records were broken in 2015: 2015 was the warmest year on record, “0.76C above the 1961-90 average” (note that commentators no longer use the start of the industrial revolution – 1750 – as this would provide a more …

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Water – where energy and environment meet

Power station water

Seventy-one percent of the surface of the Earth is water… ninety-seven percent of which is saline.  Of the remaining three percent, two are locked up in ice caps and glaciers.  So, 7.5 billion humans depend upon just one percent of the water.  This is not just the water we drink.  …

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