Prince George gets "annoyed and confused" at how the roads near his school in London are full of litter, Prince William has revealed.

During an interview with BBC Newscast on BBC Sounds, the Duke of Cambridge said: "So George, at school recently, has been doing litter picking. I didn't realise, but talking to him the other day he was already showing that he was getting a bit confused.

"He was also a bit annoyed by the fact they went out litter picking one day and then the very next day they did the same route, same time, and pretty much all the same litter they picked up back again. And I think that, for him, he was trying to understand how and where it all came from."

Prince George may only be eight, but the Duke of Cambridge said he is "acutely aware" of the widened global warming worries and understands how the resources he uses at home impact the planet.

The Duke, who was speaking ahead of his environmental Earthshot Prize awards, added: "Charlotte is still a little bit young. She's still not quite sure. And actually Louis just enjoys playing outside the whole time. He lives outside. But I think it is slowly dawning on them that these things matter. I think when you're that young, you just want to have fun and enjoy it."

the duke and duchess of cambridge take part in a generation earthshot event at kew gardenspinterest
WPA Pool//Getty Images

This comes after Prince William criticised space tourism, saying that the "world's greatest minds need to focus on trying to fix the Earth instead". His comments were made after Amazon founder Jeff Bezos flew Star Trek actor William Shatner into space on his Blue Origin jet — making him the oldest man to do so.

Last month, it was announced that the Duke will join forces with David Attenborough to present a new five-part landmark BBC documentary series, The Earthshot Prize: Repairing Our Planet, which will aim to give viewers reason to hope for a brighter future on planet Earth.

Running from Sunday 3rd October over two weeks on BBC One and iPlayer, the groundbreaking series looks past the problems we face and instead gives an insight into the coming sustainable revolution — highlighting all the good that is being done.

You can catch up on the first episode of The Earthshot Prize: Repairing Our Planet now on BBC iPlayer.

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12 eco-friendly Christmas crackers for your festive table
Best linen eco-friendly Christmas crackers
Editor’s Choice
Kate Sproston Design Woodland Reusable Christmas Crackers
Kate Sproston Design Woodland Reusable Christmas Crackers
£89 at countrylivingshop.co.uk
Credit: Country Living Marketplace

Made from natural linen and embroidered with satin thread, each reusable cracker is also finished with a pretty green ribbon. Fill them with special gifts, or use them as a place marker at your Christmas dinner table.

You can choose an individual cracker, or opt for a stylish set of six.

Best eco-friendly Christmas cracker with useful gifts
The Little Green Cracker Company Eco Christmas Crackers
The Little Green Cracker Company Eco Christmas Crackers

Along with all the sustainability credentials, these crackers come with gifts your guests will actually use — including a mini soap bar, organic teas and flower seeds. We love the frosty foliage design over this green base, too.

Best eco-friendly Christmas crackers with game
Lakeland Who Am I Christmas Crackers
Lakeland Who Am I Christmas Crackers
Now 50% Off

Lakeland’s crackers are made from glitter-free, foil-free, fully recyclable card, and contain a ‘Who Am I?' game to play over dinner. A reusable felt crown and storage bag are also included, so everything can be safely packed away for next year.

Best luxury eco-friendly Christmas crackers
Forever Crackers Reusable Cracker
Forever Crackers Reusable Cracker

Forever Crackers' reusable designs are pricey (a six pack starts at £155) but they'll add a little luxury to your Christmas table.

They're made from linen and come ready to fill with your own gifts — although there is the option to pre-fill them for an additional charge — and a smart fabric crown.

For an extra £5, you can add a gift tag with your loved ones’ initials.

Best eco-friendly Christmas crackers for dog lovers
Merry Friends Crackers
Merry Friends Crackers
Now 40% Off

Dog lovers, these adorable crackers are for you! Part of Dunelm’s fun (and fully recyclable) Merry Friends range, it features pooches looking suitably festive in Christmas hats and jumpers. For just £6, they're a total bargain too.

Inside, you’ll find the traditional hat and a joke — but also a fun snap game to play with the family.

Eco-friendly Christmas crackers with a charity donation
Tom Smith Deluxe Kraft Crackers
Tom Smith Deluxe Kraft Crackers
Now 70% Off

Encased in these beautiful Christmas crackers sit an assortment of sweet metal gifts. Plus, Tom Smith is supporting the Trussell Trust, a charity focused on putting an end to hunger and poverty throughout the UK, so you’ll not only be helping the environment but this fantastic cause, too.

Best eco-friendly Christmas crackers under £10
M&S Christmas Crackers & Charade Game
M&S Christmas Crackers & Charade Game

For just £7, this twelve-pack of crackers is great-value — and they’re ideal if you’re hosting the whole family. Each cracker comes with a fun charade game that can be enjoyed post-Christmas dinner.

Best homemade eco-friendly Christmas crackers
LatterLux Personalised Eco Christmas Crackers
LatterLux Personalised Eco Christmas Crackers

These handmade crackers can be personalised with a name or message in a choice of six different colours. These are fill-your-own so you can add in something you know your loved ones will appreciate.

You can purchase up to 20 crackers, or buy them individually for £8 each.

Best minimalist eco-friendly Christmas crackers
TheOatHouse Luxury Reusable Crackers
TheOatHouse Luxury Reusable Crackers

These linen crackers are perfect for those who prefer a more minimal table setting. Each one features ribbon bows and delicate gold bells. There’s an option to add name tags, too.

Act fast if you're tempted though, as they're selling out quickly!

Best Fortnum's eco-friendly Christmas crackers
Fortnum & Mason 1707 Crackers
Fortnum & Mason 1707 Crackers
Now 21% Off

Fortnum's has long been our go-to for luxury Christmas crackers and this year's selection hasn’t disappointed. In the brand’s signature Eau de Nil colouring, this set will bring a touch of elegance to any dinner table.

The gifts are sweet too: each cracker contains a recipe from Fortnum’s debut cookbook, along with a mini kitchen utensil to help you whip up a feast.

Best illustrated eco-friendly Christmas crackers
John Lewis Twelve Days of Christmas Crackers
John Lewis Twelve Days of Christmas Crackers

Inspired by the classic carol, these 12 Days of Christmas crackers depict everything from turtle doves to french hens. We're wooed by the whole set, thanks to the quaint illustrations and thoughtful metal gifts (including nail clippers and a yoyo).

John Lewis, which has committed to plastic-free crackers since 2020, has lots more charming designs on offer.

Best green eco-friendly Christmas crackers
Sophie Allport Festive Forest Christmas Crackers
Sophie Allport Festive Forest Christmas Crackers

Each one of Sophie Allport’s recyclable crackers contains a hat, joke, and a green or blue paper tree decoration. We love the festive design and delicate bows on this deep olive set — perfect for adding a pop of colour to your Christmas tablescape.