As part of a continuing global initiative to combat climate change, WWF’s annual Earth Hour is back, and will see hundreds of landmarks across the world switch off their lights for one hour from 8.30pm this Saturday 24 March. A handful of London restaurants are getting in on the action too – see our pick of where to dine by candlelight below.

Blanchette East London restaurant French food bar

Blanchette Brick Lane, Shoreditch

What: The Brick Lane site of French restaurant Blanchette will be turning off its lights for an hour, inviting couples and friends to dine by candlelight. Expect dishes such as crispy confit duck leg with poivrade sauce, spinach and sweet potato, and grilled salmon with a fennel, blood orange and green pepper sauce.

Where: 204 Brick Lane, E1 6SA

Caravan Bankside London restaurant bar

Caravan Bankside, City, Exmouth Market and King’s Cross

What: Caravan will be switching off the lights across all four of its sites to mark the occasion, and will host an hour of candlelit dining. Any guests during the hour will receive a complementary dish of cauliflower stalk kimchi, highlighting the group’s effort to make use of ‘waste’ ingredient leftovers, as the restaurants aim to promote sustainable thinking.

Where: The Metal Box Factory, 30 Great Guildford Street, SE1 0HS; Bloomberg Arcade, EC4N 8AR; 11-13 Exmouth Market, EC1R 4QD; Granary Building, 1 Granary Square, King's Cross, N1C 4AA

Tarragon and wholegrain mustard polenta primavera at OXO Tower Restaurant

Oxo Tower Restaurant, South Bank

What: For a romantic take on Earth Hour, it’s hard to beat gazing out at London’s skyline while dining by candlelight. Oxo Tower Restaurant is offering just that, switching off its lights between 8.30-9.30pm, with guests able to enjoy the likes of a bulgur wheat and raisin-stuffed courgette squash. How many landmarks can you make out in the dark?

Where: Oxo Tower Wharf, Barge House Street, SE1 9PH

Salt Yard

Salt Yard, Fitzrovia

What: As well as dimming its lights, Salt Yard will serve up an exclusively vegetarian feast for one night only. Specials on the menu will include chargrilled hispi cabbage with garlic and black olive butter and shallot dressing, and wild mushroom croquettes, stuffed with mushroom ketchup and truffled mascarpone.

Where: 54 Goodge Street, W1T 4NA

Spring July 2015 1

Spring, Aldwych

What: To mark Earth Hour, Skye Gyngell’s Spring will serve up its sustainable Scratch menu all evening. Usually only served between 5.30-6.30pm, the three-course set Scratch menu is designed to combat food waste, and uses ingredients and leftovers that would otherwise be thrown away.

Where: Somerset House, Lancaster Place, WC2R 1LA

If you’re passionate about sustainability, check out our pick of low-waste restaurants in the capital.