The crucial UN Climate talks ran into extra time as the negotiators from more than 190 countries, including India, struggled to break a deadlock between rich and developing countries to agree on a draft text of a new binding agreement to cut global carbon emissions.
Organisers claimed that nearly 15,000 people participated in the march in the city which is hosting the crucial UN Climate Change Summit.
The average global temperature between January and October has been 0.68 degrees Celsius higher than the 20th century's average global temperature of 14.1 degree C.