Talk of a possible 'latte levy' - a 25p charge on disposable coffee cups - has opened up discussion about the amount of waste created by throwaway cups.
Some coffee chains already offer a discount if you present a reusable cup when you order your drinks, so it already makes financial and environmental sense to invest in a sturdy mug, beaker or flask.
We round up our favourite environmentally-friendly alternatives.
This £20 mug from Tefal promises to keep your hot drink hot for four hours and cold drinks cold for eight hours.
It’ll make drinking your latte on packed commuter trains easier too – the lid allows your to drink from the entire perimeter.
If you want to help the environment but already have a bag full of stuff to lug around all day, try this nifty little cup.
Stojo’s £12.95 travel mug is collapsible meaning that once your done with your coffee, it’ll easily fit in your bag.
To be extra eco-friendly, try this eCoffee mug. It’s made from bamboo and has a non-drip lid, and costs £8.99.
What’s more, when you’re done with it, it’s fully biodegradable so it won’t need to become one of the 100 billion coffee cups that end up in landfill every year.
A stylish solution to the coffee cup conundrum, this £22.50 Joco glass cup is microwave and dishwasher safe.
5. Starbucks Tumbler
At just £1, Starbuck’s reusable tumbler is a great option for those on a budget.
What’s more, if you take it in store you’ll get 25p off your drink. Pick one up in your local branch.
It'll set you back £35, but with a 50-year warranty, you really can’t go wrong with this stainless steel mug from Thermos.
They’re designed to fit most car cup holders and boast unique vacuum insulation technology that will keep your coffee hot for up to seven hours.
If you’re more of a tea drinker it has a built in tea hook for your tea bag too.
If you fancy showing a bit more personality with your coffee cup, KeepCup is the one for you.
Costing from £7, it comes in a variety of sizes from, can be personalised, and there are even Star Wars options.
Not only will you be doing your bit for the environment with this cup, you'll also be helping the homeless.
For every cup sold I Am Reusable provide a hot drink for a homeless person so it's good for the planet and your conscience.