What we learned this week

China is building an undersea data centre in order to reduce cooling costs. I learned this from Carbon Brief’s weekly email briefing on energy and climate, which you really ought to sign up for.

Indonesia announced this week that it will not approve any new coal power plants, and that it intends to introduce a carbon tax. This is really important, as the country’s coal boom had put it on a rapid ascent towards the top ten global emitters.

My rather unlikely hopes of replacing my hybrid wi...