How concerned are CEOs about climate change? Not at all

In an annual PwC survey of chief executives, global warming didn’t even make the list of key concerns or priorities, falling far below regulation and taxation

Green news roundup: mega droughts, geoengineering and straw homes

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

Conservationists call for UK to create world’s largest marine reserve

Three proposed reserves in UK waters around the Pitcairn Islands in the Pacific, and Ascension Island and South Sandwich Islands in the Atlantic, would more than double the size of the world’s existing marine protected areas

World’s cities experiencing more heatwaves, study shows

Number of extremely hot days a year has increased in hundreds of cities since the 1970s years, with frequencies peaking in the last five years

Green news roundup: fracking bans, Paris climate summit and pine martens

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

Climate change is lifting Iceland – and it could mean more volcanic eruptions

Land moving upward faster than researchers expected at 1.4in every year, allowing ‘hot potato’ rocks to rise