COP26 will take place in Glasgow from Sunday October 31, which will see thousands of people descend on Scotland's biggest city over two weeks.
Included are some of the world's most influential leaders, who will gather to discuss climate goals for the next ten years.
With figures like US President Joe Biden set to attend, security measures in the city are being ramped up with thousands of additional police stationed in the city.
Road closures are expected to cause long delays, while ScotRail have announced extra train services to ensure delegates travelling outside the city can reach their destination.
Here's what we know about how many people are coming to Glasgow for COP26...
How many people are coming to Glasgow for COP26?
The population of Glasgow will increase hugely from October 31 to November 12 while COP26 takes place.
30,000 delegates will attend the conference from almost every country in the world, with 192 parties signed up to the Paris Agreement.
Unsurprisingly, the influx of people requires a greater security presence; 10,000 police officers will travel from various parts of the country to support the running of the event.
In addition to the delegates and police officers, thousands of protesters will also arrive in Glasgow to demonstrate throughout COP26.
The main protest will take place at midday on Saturday November 6 in Kelvingrove Park.
The demonstration will then move to Glasgow Green for 3pm.
Around 100,000 protesters are expected to attend this demonstration, with involvement from over 100 organisations.
Which protest groups are expected at COP26?
Protest groups including Extinction Rebellion and Insulate Britain are expected to be in Glasgow throughout COP26.
It has also been confirmed that Greta Thunberg will join protesters in a march on Friday November 5.
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