, 24 January 2019 on 25 January 2019 In 2019, strikes were organised again in the countries listed above and in other countries, among them Colombia, New Zealand, and Uganda. Mass strikes took place on 17 and 18 January 2019, when at least students protested in Switzerland and Germany alone, against insufficient policies on global warming. In August 2019 Thunberg travelled to
New York City on
a two-week journey by sailboat to continue calling attention to the work needed to address the
climate crisis. She participated in school strikes being planned in the United States on 20 September, and soon after she spoke at the UN Climate Summit on 23 September 2019, in New York City. , 15 February 2019 In Germany, regional groups were organised, communicating autonomously within
WhatsApp groups and spreading their messages using flyers and social media. By February 2019, more than 155 local groups were counted by the movement. In United States, organizers coordinated on a state-by-state level and communicated autonomously within
Slack groups and spreading their messages using flyers and social media. By February 2019, more than 134 groups were counted by the movement. The organizations
Sunrise Movement,
350.org, OneMillionOfUs,
Earth Uprising,
Future Coalition, Earth Guardians, Zero Hour, and Extinction Rebellion helped to coordinate. In the United Kingdom, on 13 February 2019, following open letters in support of the
socio-political movement
Extinction Rebellion in 2018, 224 academics signed an open letter giving their "full support to the students" attending the School Strike for Climate action. On Friday 15 February, more than 60 actions in towns and cities within the United Kingdom took place, with an estimated strikers taking part. On 21 February 2019, the
President of the European Commission,
Jean-Claude Juncker, stated his intent to spend hundreds of billions of euros on
climate-change mitigation, amounting to a fourth of the EU budget. He announced this in a speech next to Greta Thunberg, and media credited the school-strike movement with provoking the announcement. On 5 March 2019, 700 German-speaking researchers signed a statement in support of the school strikes in that country. Other researchers were invited to support the statement and it has been signed by over scientists from mainly Germany, Austria and Switzerland. On 9 May 2019, during a European Union summit in
Sibiu, representatives of the movement from all over Europe met with several national leaders of European countries and handed them an open letter, which was signed by over European climate strikers and their supporters.
Global Climate Strike for Future of 15 March 2019 On 15 March 2019, a series of school strikes took place, urging adults to take responsibility and stop climate change. More than a million people demonstrated in about events worldwide across 125 countries. On 1 March 2019, 150 students from the global coordination group of the youth-led climate strike (of 15 March), including Thunberg, issued an open letter in
The Guardian, saying: In Scotland, city councils of Glasgow, Edinburgh, Highland and Fife gave permission for children to attend the strikes. In Finland parental consent letters were sent to schools and in the Finnish city of
Turku the school board proclaimed that children had a constitutional right to take part in the strikes. On the morning of 15 March in a
Guardian guest editorial, titled "Think we should be at school? Today's climate strike is the biggest lesson of all", school-climate-strikers Thunberg,
Anna Taylor,
Luisa Neubauer, Kyra Gantois,
Anuna De Wever,
Adélaïde Charlier,
Holly Gillibrand and
Alexandria Villaseñor, reiterated their reasons for striking. In Germany, more than pupils demonstrated in 230 cities with more than in Berlin alone. The striking students were supported by newly-founded initiative Parents for Future. In Italy more than students demonstrated ( in
Milan according to the organisers). In Montreal more than attended; Stockholm to , Melbourne , Brussels , and Munich . Other cities included Paris, London, Washington, Reykjavík, Oslo, Helsinki, Copenhagen and Tokyo. In New Zealand, the strikes were quickly overshadowed by
Christchurch mosque shootings which took place the same day. The strike in Christchurch was abandoned for safety reasons, with students told to go home or otherwise
shelter-in-place. The strikes continued in other New Zealand centres, many strikers oblivious to the shootings. One striker only learned of the shootings when she turned on the evening television news expecting to see the strikes as the top story. File:Koululakko ilmaston puolesta 20190315.jpg|School Strike for Climate in front of the
Parliament House,
Helsinki, 15 March 2019 File:Activist Alienor Rougeot-Fridays for future;march 15-2019;Photographer Dina Dong.jpg|"Fridays for Future" 15 March
Toronto File:San Francisco Youth Climate Strike - March 15, 2019 - 22.jpg|School strike in
San Francisco on 15 March 2019 File:Climate strike Cleveland Public Square 01.jpg|School strike in
Cleveland on 15 March 2019 File:School Strike for Climate in Wellington 13.jpg|School strike for climate in
Wellington on 15 March 2019 File:Grève des lycéens contre le déréglement climatique à Dijon.jpg|A speech being delivered from the stairs of the Jardin Darcy, in
Dijon (
Côte-d'Or,
Burgundy,
France) for the global climate strike on 15 March 2019
Second Global Climate Strike on 24 May 2019 on 24 May 2019 on 24 May 2019 A second wave of global climate strikes began with actions in New Zealand and Australia on 24 May 2019. Hundreds of thousands of school students around the world struck in more than 1600 towns in at least 125 countries. On 9 August 2019, the conference ended with a demonstration and the publication of the
Lausanne Climate Declaration stating the values, objectives and measures proposed by the movements' participants in Lausanne. the protests were planned in 4500 locations across 150 countries. Organizers of 20 September protests reported that over 4 million people participated in strikes worldwide, including 1.4 million participants in Germany and protesters in Australia. On 27 September, an estimated two million people participated in demonstrations worldwide, including over one million protesters in Italy and several hundred thousand protesters in
Canada.
Fourth Global Climate Strike on 29 November 2019 On 29 November 2019, three days before the start of the
United Nations Climate Change Conference (COP25) in Madrid, demonstrations took place in 2,400 cities across 157 countries to protest government inaction on the climate crisis. The organizers estimated the number of participants at 2 million, including about people in Germany. A week later, the central COP25 protest took place in Madrid, with an estimated turnout of half a million, in which FFF activists from all over the world participated. == Later events, 2020s ==