メインコンテンツに移動

Teetering on the brink of the ‘energy cliff’

Declining ERoEI – energy return on energy invested – is a worrying trend, Vincent Kaminski argues

corn-ethanol-refinery
A corn ethanol refinery

The incredible progress that human civilisation has made over the centuries can be attributed to two technological breakthroughs. One is the emergence of the food output surplus. The other is the harnessing of energy trapped in fossil fuel deposits.

Thanks to the increase in the productivity of labour employed in agriculture, humanity was able to divert resources from hunting, gathering and

コンテンツを印刷またはコピーできるのは、有料の購読契約を結んでいるユーザー、または法人購読契約の一員であるユーザーのみです。

これらのオプションやその他の購読特典を利用するには、info@risk.net にお問い合わせいただくか、こちらの購読オプションをご覧ください: http://subscriptions.risk.net/subscribe

現在、このコンテンツをコピーすることはできません。詳しくはinfo@risk.netまでお問い合わせください。

Sorry, our subscription options are not loading right now

Please try again later. Get in touch with our customer services team if this issue persists.

New to Risk.net? View our subscription options

Most read articles loading...

You need to sign in to use this feature. If you don’t have a Risk.net account, please register for a trial.

ログイン
You are currently on corporate access.

To use this feature you will need an individual account. If you have one already please sign in.

Sign in.

Alternatively you can request an individual account here