Jaguar Land Rover will provide the fleet for the climate talks in November.
Alok Sharma spoke after reports Number 10 was trying to sideline First Minister Nicola Sturgeon.
The campaigner have stressed that Covid-19 precautions will be put in place.
The talks have already been postponed from 2020 due to the pandemic.
The FM said anyone who allows politics to get in the way of tackling climate change would be abdicating responsibility.
A 'make or break' United Nations climate summit will take over Glasgow later this year.
The event will be held at the Scottish Event Campus in November.
Glasgow is set to host the UN climate conference in November.
Activists walked through Inverness on Saturday.
Restrictions on travel to the UK and rules on quarantine and self-isolation will be reduced for thousands attending summit.
PM says Thatcher gave the UK a 'big early start' in the fight against climate change when she closed coal mines across the UK.
The Labour leader said the UK had to 'lead by example' ahead of the COP26 climate conference later this year.
Thirteen One Step Green ambassadors appointed by UK Government in run-up to UN climate change summit.
Coronavirus vaccinations will be administered at the Glasgow venue for the final time on Sunday.
A technology firm has been awarded a £505,000 contract to supply police officers with the Axon Flex 2 point of view camera.
The pontiff has made environmental appeal a signature of his papacy.
Upgraded control room in Glasgow keeping an eye on more than 150 renewable energy assets across the globe.
The 'high level of police officer deployment' required means officers will be unable to attend trials as witnesses.
New GMB trade union chief says members are 'tired and frustrated' at the state of Scotland's biggest city.
The artwork containing genuine air from the pre-industrial revolution will form part of the Polar Zero exhibition at the Glasgow Science Centre.