Events will coincide with the UN Climate Action Summit in New York this week.
Lancaster businesses joined school children, students and teachers who took to the streets in the city to protest against inaction on climate change.
Millions of people in cities and towns around the world joined the campaign.
Young people were out in force on the streets of Lancaster Climate action week is taking place between September 20 and 27. Many school children took part in the protest in Lancaster It wasn't just school children that took part in the action... 'There is No Planet B' has become a popular slogan in climate campaigns Young people were joined by Lancaster businesses in Dalton Square Marching through Penny Street... "Climate change is not cool" Protests continued in Dalton Square Protests affected traffic movement in Lancaster city centre on Friday Dalton Square in Lancaster Students and teachers at Lancaster University Staff and students at Lancaster University also took part, creating a "human globe" in Alexandra Square. Hundreds of people joined the action in New Street, Lancaster