Investing your pension in an environmentally friendly way could have 117 times the impact of someone who limits themselves to one return flight a year.

This sustainable saver would also have 82 times as much effect on climate change as someone who takes the train instead of driving and 37 times that of someone who reduces their meat consumption to just one meal a week.

This is the conclusion of a report from the sustainable fund manager Nordea. According to its analysis, putting your pension in “green” investments could save 2,223 tonnes of carbon over your working life. By contrast, making just one return flight once a year would save 19 tonnes compared to the average emissions, ditching the...