Local weather group Insulate Britain is staging its 10th day of protests prior to now three weeks by blocking two motorways on the similar time.
The organisation stated round 30 of its activists have blocked roundabouts at Junction 3 of the M4 close to Heathrow Airport, west London, and Junction 1 of the M1 at Brent Cross, north London.
Drivers caught in lengthy queues of visitors beeped their horns in frustration.
Insulate Britain stated the demonstrators embody eight individuals launched from police custody on Thursday after blocking the M25 at Junction 30 in Essex, and others who had been arrested earlier this week.
It has pledged to continue its actions till the Authorities makes “a significant assertion indicating that they’ll insulate all of Britain’s 29 million leaky houses by 2030”.
The group stated in a press release: “It is incomprehensible that the Authorities is continuous to delay motion on house insulation after we urgently want to chop our carbon emissions, remove gasoline poverty and assist hard-working households with their rising power payments.”