Green news roundup: coral die-off, wildlife in Chernobyl and Africa’s largest windfarm

The week’s top environment news stories and green events. If you are not already receiving this roundup, sign up here to get the briefing delivered to your inbox

Can Tesla downshift from $130,000 SUVs to mass market electric cars?

After unveiling the luxury Model X, Elon Musk’s company has a big challenge ahead as it aims for a bigger audience with its Model 3, promised for 2017

Ecomodernism launch was a screw-up of impressive proportions

Our attempt to launch a new environmental political movement in the UK was certainly ill-timed but is hopefully not doomed

The eco guide to plastic bags

Here’s how to change your shopping habits when one-use disposable bags are taxed in England from 5 October

How viral cat videos are warming the planet

Datacentre web servers, such as those used by Google and Facebook, to blame for 2% of greenhouse gas emissions – about the same as air travel

Tuna and mackerel populations suffer catastrophic 74% decline, research shows

WWF says we risk losing species critical to human food security unless action is taken to halt overfishing and other threats to marine life